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stored procedure returns numbers ()

Posted By:      Posted Date: September 18, 2010    Points: 0   Category :Sql Server
I would like to write a stored procedure which will return some numbers based on query, and it will go something like this: - find an id of a person, if his username exists - if  id is not found retun 0 - else if the id is found, look for person`s password - if password is NOT found return 1 - else if password IS found return 2   I did some coding, but it seems its not working somehow. It always retuns null value: ps: It is not important if I use "IF EXISTS", it can also be used "IF IS NOT NULL". And I tried to use if its null or not, but I got the same result - nothing (only null)   ALTER PROCEDURE myStoredProcedure01 ( @strValue varchar(50) ) AS BEGIN SET NOCOUNT ON IF EXISTS(SELECT PersonID FROM Person WHERE UserName = @strValue) BEGIN DECLARE @password varchar(50) SELECT @password = Password FROM Person WHERE UserName = @strValue IF(@password IS NULL ) RETURN 2 ELSE RETURN 1 END ELSE RETURN 0 END    

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