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 Output or Return Values. Which to use?

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dbarasch
Starting Member

1 Post

Posted - 2010-03-24 : 07:52:44
Is there a preference to use when returning stored procedure values back to the calling program? Should I be using the Return Value or output parameters? Is there a benefit from using one as oppose to the other?

Kristen
Test

22859 Posts

Posted - 2010-03-24 : 07:56:03
Both!

We return a code to indicate success (0) or error (non-zero)

We return an OUTPUT variable with an error code, and also a "user friendly message" and often other things too.

I never return, for example, the ID (IDENTITY) allocated to a newly inserted Row as the RETURN value of an SProc, I only ever do that using OUTPUT parameter (or sometimes a ResultSet if that is easier for the Application to handle)
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visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2010-03-24 : 11:21:44
also you can return only integer values using RETURN in proc whereas OUTPUT parameters can be of any type.

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SQL Server MVP
http://visakhm.blogspot.com/

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visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2010-03-24 : 11:45:21
also see
http://www.sqlteam.com/article/stored-procedures-returning-data

------------------------------------------------------------------------------------------------------
SQL Server MVP
http://visakhm.blogspot.com/

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