Doubt in Stored Procedure

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Hi every one,

I have a Stored Procedure that contains two queries, those returns multiple rows when executed.The 2st query depends on the output of 1st query.So i want to store the result of 1st query(that contains multiple rows)in procedure itself and use it in 2nd query.Is there any thing in stored procedure to store the result like "DataSet" in frontend?

If yes please tell me about it or guide me how to do this.

Thanks....

Posted 19-Jul-11 3:33am

Harsha 2

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OriginalGriff · Answer 1 · 2011-07-19T03:43:00

Solution 1

You can nest queries:

SELECT TOP 5 * FROM [myDatabase].[dbo].[Customers] WHERE ID IN 
  (
   SELECT ID FROM [myDatabase].[dbo].[Customers] WHERE ID > 5 
   EXCEPT
   SELECT iD FROM [myDatabase].[dbo].[Customers] WHERE ID < 10
  )

Or create temporary tables: SQL – Temporary Tables[^] or MSDN[^]

Posted 19-Jul-11 3:43am

OriginalGriff

Comments

Herman<T>.Instance 19-Jul-11 9:45am

it is advised to use a temporary table (don't foret to drop at the end of the stored procedure) because nesting (subselecting) can be very costly and result in bad performance