UPDATE table SET columnB = columnA --This will update every row. UPDATE table_name SET destination_column_name=orig_column_name WHERE condition_if_necessary --This will update rows which satisfy the WHERE clause UPDATE table1 SET column1 = ( SELECT column2 FROM table2 WHERE table2.id = table1.id ); Whereby: table1 = table that has the column that needs to be updated table2 … Continue reading Copy one column to another sqlserver
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Inner Join in SQL Server
Tables are a userbasic b userlmits c groupauthclass -- 2 Table Inner Join SQL Server -- -- 3 Table Inner Join SQL Server --
Select Random Rows from Table in SQL Server
To Select 1 Random Records from a table in SQL Server SELECT TOP 1 * FROM Table_Name ORDER BY NEWID() ; To Select 10 Random Records from a table in SQL Server SELECT TOP 10 * FROM tAudit ORDER BY NEWID()