SQL SERVER – Script/Function to Find Last Day of Month

Following query will find the last day of the month. Query also take care of Leap Year. Script: DECLARE @date DATETIME SET @date='2008-02-03' SELECT DATEADD(dd, -DAY(DATEADD(m,1,@date)), DATEADD(m,1,@date)) AS LastDayOfMonth GO DECLARE @date DATETIME SET @date='2007-02-03' SELECT DATEADD(dd, -DAY(DATEADD(m,1,@date)), DATEADD(m,1,@date)) AS LastDayOfMonth GO ResultSet: LastDayOfMonth ----------------------- 2008-02-29 00:00:00.000 (1 row(s) affected)…
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SQL SERVER – Fix: Error 130: Cannot perform an aggregate function on an expression containing an aggregate or a subquery

Fix: Error 130: Cannot perform an aggregate function on an expression containing an aggregate or a subquery Following statement will give the following error: “Cannot perform an aggregate function on an expression containing an aggregate or a subquery.” MS SQL Server doesn’t support it. USE PUBS GO SELECT AVG(COUNT(royalty)) RoyaltyAvg…
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