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T-SQL: Update and Output in a Single Query

Suppose one have to update table data and after that query the same table. It seems like a common task and it is possible to perform this using a single T-SQL statement. Definitely cool trick from Todd Carrico. So, this is how to perform update and popuate parameters in the same query:


CREATE PROCEDURE _fooUpd 
(
     @Param1 INT = NULL OUT
    ,@Param2 INT = NULL OUT
    ,@PK INT
)
AS
BEGIN
    UPDATE dbo.foo 
       SET @Param1 = Col1
          ,@Param2 = Col2
          ,Retreived = Retreived + 1
     WHERE PK = @PK
END

Enjoy :)


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Saturday, August 21, 2004 5:34 AM

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