摘要:
IF EXISTS( SELECT * FROM dbo.sysobjects WHERE id = OBJECT_ID('fn_Split') AND (TYPE = 'FN' OR TYPE = 'TF' OR TYPE = 'IF') ) DROP FUNCTION fn_Split GO C 阅读全文
摘要:
linq-to-sql实现left join,group by,count用linq-to-sql实现下面的sql语句:SELECT p.ParentId, COUNT(c.ChildId)FROM ParentTable p LEFT OUTER JOIN ChildTable c ON p.P... 阅读全文