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How to create Cursor Variable

Posted on 2008-10-13
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Last Modified: 2012-05-05
I have create the following cursor and am attempting to run via MS Studio Express. When execute I get the following error but not sure how to correct:  Msg 16948, Level 16, State 4, Line 40
The variable '@MasterMenuNumber' is not a cursor variable, but it is used in a place where a cursor variable is expected.



DECLARE @MasterMenuNumber Int;
 
DECLARE MyCursor CURSOR LOCAL
FAST_FORWARD
FOR
SELECT MasterMenuNumber
FROM F01.MstrMenu
 
OPEN MyCursor
 
FETCH NEXT FROM MyCursor
INTO @MasterMenuNumber
 
WHILE @@FETCH_STATUS = 0
BEGIN
 
DELETE FROM F01.BamRecs FROM F01.BldAMenu
   WHERE BamRecs.BAMenuNumber=BldAMenu.BAMenuNumber AND BldAMenu.MasterMenuNumber= @MasterMenuNumber
      AND BldAMenu.DietNumber not in
   (SELECT DietNumber from F01.MMDiets where MasterMenuNumber=@MasterMenuNumber);
 
DELETE FROM F01.BldAMenu WHERE MasterMenuNumber= @MasterMenuNumber 
  AND BAMenuNumber not in (SELECT BAMenuNumber FROM F01.BamRecs);
 
DELETE FROM F01.Snacks FROM F01.SnackRec
   WHERE SnackRec.SNAMenuNumber=Snacks.SNAMenuNumber AND Snacks.MasterMenuNumber= @MasterMenuNumber
      AND Snacks.DietNumber not in
   (SELECT DietNumber from F01.MMDiets where MasterMenuNumber=@MasterMenuNumber);
 
DELETE FROM F01.Snacks WHERE MasterMenuNumber= @MasterMenuNumber 
  AND SNAMenuNumber not in (SELECT SNAMenuNumber FROM F01.SnackRec);
 
FETCH NEXT FROM MyCursor
INTO @MasterMenuNumber
 
END
 
CLOSE MyCursor
DEALLOCATE MyCursor
DEALLOCATE @MasterMenuNumber

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Question by:JoeSnyderJr
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HuyBD earned 500 total points
ID: 22708282
this cause by line 40
DEALLOCATE @MasterMenuNumber
you dont need to delocate
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by:HuyBD
ID: 22708289
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by:HuyBD
ID: 22708301
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What is SQL Server and how does it work?

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Expert Comment

by:HuyBD
ID: 22708307
sorry, I have a missing, wrong window :)
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Author Closing Comment

by:JoeSnyderJr
ID: 31505756
Thanks, you even anticipated my DeAllocate question for the @variable. Thanks for quick response
Were you suggesting by your additional link that a case statement would be alternative to my using a cursor in this situation??
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Expert Comment

by:HuyBD
ID: 22708359
that is wrong post, but you can change to use query to delete
delete yourtable
from yourtable
inner join ....
where ....
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