【c# – Linq查询数据表中的count字段】教程文章相关的互联网学习教程文章

c# – 如何在LINQ-to-SQL中生成SQL COUNT(*)OVER(PARTITION BY {ColumnName})?【代码】

是否可以使用LINQ-to-SQL查询表达式或延迟可执行的方法链生成以下SQL查询? 数据结构 alt text http://www.freeimagehosting.net/uploads/e062a48837.jpgSelect Distinct ClassRoomTitle, Count(*) Over(Partition By ClassRoomNo) As [No Sessions Per Room], TeacherName, Count(*) Over(Partition By ClassRoomNo, TeacherName) As [No Sessions Per Teacher] From ClassRoom预期结果 alt text http://www.freeimagehosting.net...

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