718 lines
123 KiB
HTML
718 lines
123 KiB
HTML
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<div id="sina_keyword_ad_area2" class="articalContent ">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">select</span></span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询顾客的公司名、地址信息</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">构建匿名类型</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">1= <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">公司名</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.CompanyName,</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">地址</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.Address</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t0].[CompanyName],[t0].[Address]</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Customers] AS[t0] </span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询职员的姓名和雇用年份</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">构建匿名类型</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">2= <span style="color: blue;">from</span> emp <span style="color: blue;">in</span> ctx.Employees</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">姓名</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = emp.LastName +emp.FirstName,</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">雇用年</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = emp.HireDate.Value.Year</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t0].[LastName] + [t0].[FirstName] AS[value], DATEPART(Year, [t0].[HireDate]) AS [value2]</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Employees] AS [t0]</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询顾客的</span><span lang="EN-US">ID</span><span style="font-family: 宋体;">以及联系信息（职位和联系人）</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">构建匿名类型</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">3= <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ID= c.CustomerID,</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">联系信息</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">new</span></span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">职位</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.ContactTitle,</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">联系人</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.ContactName</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> }</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t0].[CustomerID], [t0].[ContactTitle],[t0].[ContactName]</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Customers] AS [t0]</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询订单号和订单是否超重的信息</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> select</span><span style="font-size: 9pt; font-family: 宋体;">带条件</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> o <span style="color: blue;">in</span> ctx.Orders</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">订单号</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = o.OrderID,</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">是否超重</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = o.Freight > 100? <span style="color: #a31515;">"</span></span><span style="font-size: 9pt; color: #a31515; font-family: 宋体;">是</span><span style="font-size: 9pt; color: #a31515; font-family: Consolas;" lang="EN-US">"</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> : <span style="color: #a31515;">"</span></span><span style="font-size: 9pt; color: #a31515; font-family: 宋体;">否</span><span style="font-size: 9pt; color: #a31515; font-family: Consolas;" lang="EN-US">"</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t0].[OrderID],</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> (CASE</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHEN[t0].[Freight] > @p0 THEN @p1</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ELSE@p2</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> END)AS [value]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Orders] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input Currency (Size = 0; Prec = 19; Scale= 4) [100]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 1; Prec = 0; Scale =0) [</span><span style="font-size: 9pt; font-family: 宋体;">是</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p2: Input String (Size = 1; Prec = 0; Scale =0) [</span><span style="font-size: 9pt; font-family: 宋体;">否</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">where</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询顾客的国家、城市和订单数信息，要求国家是法国并且订单数大于</span><span lang="EN-US">5</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">多条件</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">where</span> c.Country== <span style="color: #a31515;">"France"</span> &&c.Orders.Count > 5</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">国家</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.Country,</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">城市</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.City,</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">订单数</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = c.Orders.Count</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> }; </span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t0].[Country], [t0].[City], (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTCOUNT(*)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Orders] AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t2].[CustomerID] = [t0].[CustomerID]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [value]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE ([t0].[Country] = @p0) AND (((</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTCOUNT(*)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Orders] AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t1].[CustomerID] = [t0].[CustomerID]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ))> @p1)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input String (Size = 6; Prec = 0; Scale =0) [France]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input Int32 (Size = 0; Prec = 0; Scale =0)[5] </span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">orderby</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询所有没有下属雇员的雇用年和名，按照雇用年倒序，按照名正序</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">var</span> </span><span style="font-size: 9pt; font-family: 宋体;">排序</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> emp <span style="color: blue;">in</span> ctx.Employees</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">where</span> emp.Employees.Count== 0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">orderby</span> emp.HireDate.Value.Year <span style="color: blue;">descending</span>,emp.FirstName<span style="color: blue;">ascending</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">雇用年</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = emp.HireDate.Value.Year,</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">名</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = emp.FirstName</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> }; </span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT DATEPART(Year, [t0].[HireDate]) AS [value],[t0].[FirstName]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Employees] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE ((</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTCOUNT(*)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Employees] AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t1].[ReportsTo] = [t0].[EmployeeID]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ))= @p0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY DATEPART(Year, [t0].[HireDate]) DESC,[t0].[FirstName]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input Int32 (Size = 0; Prec = 0; Scale =0) [0]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span style="font-family: 宋体;">分页</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：按照每页</span><span lang="EN-US">10</span><span style="font-family: 宋体;">条记录，查询第二页的顾客</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">var</span> </span><span style="font-size: 9pt; line-height: 18px; font-family: 宋体;">分页</span><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;"> <span lang="EN-US">= (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">select</span> c).Skip(10).Take(10);</span></span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT TOP 10 [t1].[CustomerID],[t1].[CompanyName], [t1].[ContactName], [t1].[ContactTitle],[t1].[Address], [t1].[City], [t1].[Region], [t1].[PostalCode],[t1].[Country], [t1].[Phone], [t1].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTROW_NUMBER() OVER (ORDER BY [t0].[CustomerID], [t0].[CompanyName],[t0].[ContactName], [t0].[ContactTitle], [t0].[Address],[t0].[City], [t0].[Region], [t0].[PostalCode], [t0].[Country],[t0].[Phone], [t0].[Fax]) AS [ROW_NUMBER], [t0].[CustomerID],[t0].[CompanyName], [t0].[ContactName], [t0].[ContactTitle],[t0].[Address], [t0].[City], [t0].[Region], [t0].[PostalCode],[t0].[Country], [t0].[Phone], [t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE [t1].[ROW_NUMBER] >@p0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input Int32 (Size = 0; Prec = 0; Scale =0) [10]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span style="font-family: 宋体;">分组</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：根据顾客的国家分组，查询顾客数大于</span><span lang="EN-US">5</span><span style="font-family: 宋体;">的国家名和顾客数</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">var</span> </span><span style="font-size: 9pt; font-family: 宋体;">一般分组</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">group</span> c <span style="color: blue;">by</span> c.Country <span style="color: blue;">into</span> g</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">where</span> g.Count()> 5</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">orderby</span> g.Count() <span style="color: blue;">descending</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">国家</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = g.Key,</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">顾客数</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = g.Count()</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t1].[Country], [t1].[value3] AS[</span><span style="font-size: 9pt; font-family: 宋体;">顾客数</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTCOUNT(*) AS [value], COUNT(*) AS [value2], COUNT(*) AS [value3],[t0].[Country]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> GROUPBY [t0].[Country]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE [t1].[value] > @p0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY [t1].[value2] DESC</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input Int32 (Size = 0; Prec = 0; Scale =0) [5]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：根据国家和城市分组，查询顾客覆盖的国家和城市</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">var</span> </span><span style="font-size: 9pt; font-family: 宋体;">匿名类型分组</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">group</span> c <span style="color: blue;">by</span> <span style="color: blue;">new</span> {c.City, c.Country } <span style="color: blue;">into</span> g</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">orderby</span> g.Key.Country,g.Key.City</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">国家</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = g.Key.Country,</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">城市</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = g.Key.City</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t1].[Country], [t1].[City]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t0].[City], [t0].[Country]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> GROUPBY [t0].[City], [t0].[Country]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY [t1].[Country], [t1].[City]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：按照是否超重条件分组，分别查询订单数量</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">按照条件分组</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> o <span style="color: blue;">in</span> ctx.Orders</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">group</span> o <span style="color: blue;">by</span> <span style="color: blue;">new</span> { </span><span style="font-size: 9pt; font-family: 宋体;">条件</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = o.Freight > 100} <span style="color: blue;">into</span> g</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> <span style="color: blue;">new</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> {</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">数量</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = g.Count(),</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">是否超重</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = g.Key.</span><span style="font-size: 9pt; font-family: 宋体;">条件</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ? <span style="color: #a31515;">"</span></span><span style="font-size: 9pt; color: #a31515; font-family: 宋体;">是</span><span style="font-size: 9pt; color: #a31515; font-family: Consolas;" lang="EN-US">"</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> : <span style="color: #a31515;">"</span></span><span style="font-size: 9pt; color: #a31515; font-family: 宋体;">否</span><span style="font-size: 9pt; color: #a31515; font-family: Consolas;" lang="EN-US">"</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> };</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> (CASE</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHEN[t2].[value2] = 1 THEN @p1</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ELSE@p2</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> END)AS [value], [t2].[value] AS [</span><span style="font-size: 9pt; font-family: 宋体;">数量</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTCOUNT(*) AS [value], [t1].[value] AS [value2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> (CASE</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHEN[t0].[Freight] > @p0 THEN 1</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHENNOT ([t0].[Freight] > @p0) THEN 0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ELSENULL</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> END)AS [value]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Orders] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> GROUPBY [t1].[value]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input Currency (Size = 0; Prec = 19; Scale= 4) [100]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 1; Prec = 0; Scale =0) [</span><span style="font-size: 9pt; font-family: 宋体;">是</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p2: Input String (Size = 1; Prec = 0; Scale =0) [</span><span style="font-size: 9pt; font-family: 宋体;">否</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">distinct</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询顾客覆盖的国家</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; color: blue; line-height: 18px; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; line-height: 18px; font-family: 宋体;">过滤相同项</span><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> = (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">orderby</span> c.Country <span style="color: blue;">select</span>c.Country).Distinct();</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT DISTINCT [t0].[Country]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">union</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询城市是</span><span lang="EN-US">A</span><span style="font-family: 宋体;">打头和城市包含</span><span lang="EN-US">A</span><span style="font-family: 宋体;">的顾客并按照顾客名字排序</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">连接并且过滤相同项</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.City.Contains(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).Union</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.ContactName.StartsWith(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).OrderBy(c=> c.ContactName);</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t3].[CustomerID], [t3].[CompanyName],[t3].[ContactName], [t3].[ContactTitle], [t3].[Address],[t3].[City], [t3].[Region], [t3].[PostalCode], [t3].[Country],[t3].[Phone], [t3].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t2].[CustomerID], [t2].[CompanyName], [t2].[ContactName],[t2].[ContactTitle], [t2].[Address], [t2].[City], [t2].[Region],[t2].[PostalCode], [t2].[Country], [t2].[Phone],[t2].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t0].[CustomerID], [t0].[CompanyName], [t0].[ContactName],[t0].[ContactTitle], [t0].[Address], [t0].[City], [t0].[Region],[t0].[PostalCode], [t0].[Country], [t0].[Phone],[t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t0].[City] LIKE @p0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> UNION</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t1].[CustomerID], [t1].[CompanyName], [t1].[ContactName],[t1].[ContactTitle], [t1].[Address], [t1].[City], [t1].[Region],[t1].[PostalCode], [t1].[Country], [t1].[Phone],[t1].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t1].[ContactName] LIKE @p1</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t3]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY [t3].[ContactName]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input String (Size = 3; Prec = 0; Scale =0) [%A%]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 2; Prec = 0; Scale =0) [A%]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">concat</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询城市是</span><span lang="EN-US">A</span><span style="font-family: 宋体;">打头和城市包含</span><span lang="EN-US">A</span><span style="font-family: 宋体;">的顾客并按照顾客名字排序，相同的顾客信息不会过滤</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
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<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">连接并且不过滤相同项</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.City.Contains(<span style="color: #a31515;">"A"</span>)<span style="color: blue;">select</span> c).Concat</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.ContactName.StartsWith(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).OrderBy(c=> c.ContactName);</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t3].[CustomerID], [t3].[CompanyName],[t3].[ContactName], [t3].[ContactTitle], [t3].[Address],[t3].[City], [t3].[Region], [t3].[PostalCode], [t3].[Country],[t3].[Phone], [t3].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t2].[CustomerID], [t2].[CompanyName], [t2].[ContactName],[t2].[ContactTitle], [t2].[Address], [t2].[City], [t2].[Region],[t2].[PostalCode], [t2].[Country], [t2].[Phone],[t2].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t0].[CustomerID], [t0].[CompanyName], [t0].[ContactName],[t0].[ContactTitle], [t0].[Address], [t0].[City], [t0].[Region],[t0].[PostalCode], [t0].[Country], [t0].[Phone],[t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t0].[City] LIKE @p0</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> UNIONALL</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t1].[CustomerID], [t1].[CompanyName], [t1].[ContactName],[t1].[ContactTitle], [t1].[Address], [t1].[City], [t1].[Region],[t1].[PostalCode], [t1].[Country], [t1].[Phone],[t1].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE[t1].[ContactName] LIKE @p1</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t3]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY [t3].[ContactName]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input String (Size = 3; Prec = 0; Scale =0) [%A%]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 2; Prec = 0; Scale =0) [A%]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span style="font-family: 宋体;">取相交项</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询城市是</span><span lang="EN-US">A</span><span style="font-family: 宋体;">打头的顾客和城市包含</span><span lang="EN-US">A</span><span style="font-family: 宋体;">的顾客的交集，并按照顾客名字排序</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">取相交项</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.City.Contains(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).Intersect</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.ContactName.StartsWith(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).OrderBy(c=> c.ContactName);</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t1].[CustomerID], [t1].[CompanyName],[t1].[ContactName], [t1].[ContactTitle], [t1].[Address],[t1].[City], [t1].[Region], [t1].[PostalCode], [t1].[Country],[t1].[Phone], [t1].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTDISTINCT [t0].[CustomerID], [t0].[CompanyName], [t0].[ContactName],[t0].[ContactTitle], [t0].[Address], [t0].[City], [t0].[Region],[t0].[PostalCode], [t0].[Country], [t0].[Phone],[t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE (EXISTS(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTNULL AS [EMPTY]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE([t1].[CustomerID] = [t2].[CustomerID]) AND ([t2].[ContactName]LIKE @p0)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> ))AND ([t1].[City] LIKE @p1)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY [t1].[ContactName]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input String (Size = 2; Prec = 0; Scale =0) [A%]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 3; Prec = 0; Scale =0) [%A%]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span style="font-family: 宋体;">排除相交项</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询城市包含</span><span lang="EN-US">A</span><span style="font-family: 宋体;">的顾客并从中删除城市以</span><span lang="EN-US">A</span><span style="font-family: 宋体;">开头的顾客，并按照顾客名字排序</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> </span><span style="font-size: 9pt; font-family: 宋体;">排除相交项</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.City.Contains(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).Except</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> (<span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers <span style="color: blue;">where</span> c.ContactName.StartsWith(<span style="color: #a31515;">"A"</span>) <span style="color: blue;">select</span>c).OrderBy(c=> c.ContactName);</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t1].[CustomerID], [t1].[CompanyName],[t1].[ContactName], [t1].[ContactTitle], [t1].[Address],[t1].[City], [t1].[Region], [t1].[PostalCode], [t1].[Country],[t1].[Phone], [t1].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM (</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTDISTINCT [t0].[CustomerID], [t0].[CompanyName], [t0].[ContactName],[t0].[ContactTitle], [t0].[Address], [t0].[City], [t0].[Region],[t0].[PostalCode], [t0].[Country], [t0].[Phone],[t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE (NOT (EXISTS(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTNULL AS [EMPTY]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Customers] AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE([t1].[CustomerID] = [t2].[CustomerID]) AND ([t2].[ContactName]LIKE @p0)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )))AND ([t1].[City] LIKE @p1)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">ORDER BY [t1].[ContactName]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input String (Size = 2; Prec = 0; Scale =0) [A%]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 3; Prec = 0; Scale =0) [%A%]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span style="font-family: 宋体;">子查询</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询订单数超过</span><span lang="EN-US">5</span><span style="font-family: 宋体;">的顾客信息</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> 子查询</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">where</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> (<span style="color: blue;">from</span> o <span style="color: blue;">in</span> ctx.Orders <span style="color: blue;">group</span> o <span style="color: blue;">by</span> o.CustomerID <span style="color: blue;">into</span> o <span style="color: blue;">where</span>o.Count()> 5 <span style="color: blue;">select</span> o.Key).Contains(c.CustomerID)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> c;</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT [t0].[CustomerID], [t0].[CompanyName],[t0].[ContactName], [t0].[ContactTitle], [t0].[Address],[t0].[City], [t0].[Region], [t0].[PostalCode], [t0].[Country],[t0].[Phone], [t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE EXISTS(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTNULL AS [EMPTY]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM(</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECTCOUNT(*) AS [value], [t1].[CustomerID]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> FROM[dbo].[Orders] AS [t1]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> GROUPBY [t1].[CustomerID]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )AS [t2]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> WHERE([t2].[CustomerID] = [t0].[CustomerID]) AND ([t2].[value]> @p0)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> )</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input Int32 (Size = 0; Prec = 0; Scale =0) [5]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">in</span><span style="font-family: 宋体;">操作</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：查询指定城市中的客户</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">var</span> in操作</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> = <span style="color: blue;">from</span> c <span style="color: blue;">in</span> ctx.Customers</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">where</span> <span style="color: blue;">new</span> <span style="color: blue;">string</span>[]{ <span style="color: #a31515;">"Brandenburg"</span>, <span style="color: #a31515;">"Cowes"</span>, <span style="color: #a31515;">"Stavern"</span>}.Contains(c.City)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> c;</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> SELECT[t0].[CustomerID], [t0].[CompanyName], [t0].[ContactName],[t0].[ContactTitle], [t0].[Address], [t0].[City], [t0].[Region],[t0].[PostalCode], [t0].[Country], [t0].[Phone],[t0].[Fax]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Customers] AS [t0]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">WHERE [t0].[City] IN (@p0, @p1, @p2)</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p0: Input String (Size = 11; Prec = 0; Scale =0) [Brandenburg]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p1: Input String (Size = 5; Prec = 0; Scale =0) [Cowes]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">-- @p2: Input String (Size = 7; Prec = 0; Scale =0) [Stavern]</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="line-height: 15px;"><span lang="EN-US">join</span></span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：内连接，没有分类的产品查询不到</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> innerjoin = <span style="color: blue;">from</span> p <span style="color: blue;">in</span> ctx.Products</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">join</span> c <span style="color: blue;">in</span> ctx.Categories</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">on</span> p.CategoryID <span style="color: blue;">equals</span> c.CategoryID</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> p.ProductName;</span></p>
|
|||
|
|
</td>
|
|||
|
|
</tr>
|
|||
|
|
</tbody>
|
|||
|
|
</table>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
|
|||
|
|
<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
|
|||
|
|
<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
|
|||
|
|
<tbody>
|
|||
|
|
<tr>
|
|||
|
|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT COUNT(*) AS [value]</span></p>
|
|||
|
|
<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Products] AS [t0]</span></p>
|
|||
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">INNER JOIN [dbo].[Categories] AS [t1] ON[t0].[CategoryID] = ([t1].[CategoryID])</span></p>
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</td>
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</tr>
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</tbody>
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</table>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">描述：外连接，没有分类的产品也能查询到</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">查询句法：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
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<tr>
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<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; color: blue; font-family: Consolas;" lang="EN-US">var</span><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> leftjoin = <span style="color: blue;">from</span> p <span style="color: blue;">in</span> ctx.Products</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">join</span> c <span style="color: blue;">in</span> ctx.Categories</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">on</span> p.CategoryID <span style="color: blue;">equals</span> c.CategoryID</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">into</span> pro</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">from</span> x <span style="color: blue;">in</span> pro.DefaultIfEmpty()</span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;"><span style="font-size: 9pt; line-height: 18px; font-family: Consolas;" lang="EN-US"> <span style="color: blue;">select</span> p.ProductName;</span></p>
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</td>
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</tr>
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</tbody>
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</table>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span style="font-family: 宋体;">对应</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">：</span></p>
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<p style="margin: 10px auto; font-size: 13px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; line-height: 19px; background-color: #f5f5f5;"> </p>
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<table style="border-collapse: collapse;" border="1" cellspacing="0" cellpadding="0">
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<tbody>
|
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<tr>
|
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|
<td style="border: 1pt solid windowtext; border-collapse: collapse; padding: 0cm 5.4pt; word-break: normal!important; width: 426.1pt; background-color: transparent;" valign="top" width="568">
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">SELECT COUNT(*) AS [value]</span></p>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">FROM [dbo].[Products] AS [t0]</span></p>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px;" align="left"><span style="font-size: 9pt; font-family: Consolas;" lang="EN-US">LEFT OUTER JOIN [dbo].[Categories] AS [t1] ON[t0].[CategoryID] = ([t1].[CategoryID])</span></p>
|
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</td>
|
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</tr>
|
|||
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</tbody>
|
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</table>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span></p>
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"><span lang="EN-US"> </span><span style="font-family: 宋体;">你可能会很奇怪，原先很复杂的</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">使用查询句法会很简单（比如按照条件分组）。但是原先觉得很好理解的</span><span lang="EN-US">SQL</span><span style="font-family: 宋体;">使用查询句法会觉得很复杂（比如连接查询）。其实，我们还可以通过其它方式进行连接操作，在以后说</span><span lang="EN-US"><span style="font-size: 10.5pt; font-family: 'Times new roman';" lang="EN-US">DataLoadOptions</span></span><span style="font-family: 宋体;">类型的时候会再说。虽然</span><span lang="EN-US">Linq to sql</span><span style="font-family: 宋体;">已经非常智能了，但是对于非常复杂的查询还是建议通过存储过程实现，下次讲解如何调用存储过程。</span></p>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;"> <span style="font-family: 宋体;"><br />
|
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</span></p>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;">
|
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<span style="font-family: 宋体;">本文转自：</span><a href="http://www.cnblogs.com/lovecherry/archive/2007/08/17/859826.html" target="_blank">http://www.cnblogs.com/lovecherry/archive/2007/08/17/859826.html</a></p>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;">
|
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相关内容网址：<a href="http://www.cnblogs.com/lovecherry/archive/2007/08/13/853754.html" target="_blank">http://www.cnblogs.com/lovecherry/archive/2007/08/13/853754.html</a></p>
|
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<p style="margin: 0cm 0cm 0pt; font-size: 13px; line-height: 19px; font-family: Tahoma,Verdana,Geneva,Arial,Helvetica,sans-serif; background-color: #f5f5f5;">
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<br />
|
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</p>
|
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</div>
|
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<p> </p>
|