I've got a stored procedure that generates a value. I want to go through each row in a table and update one of the columns with this generated value. I'm sure that this can be done in an SQL query but I just can't figure out how. I'm using SQL 2005.
For each row in Table1
'update Column1 using StoredProcedure1
Next
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I presume the procedure "returns" the value
DECLARE @val INT
EXEC @val = StoredProcedure1
UPDATE Table1
SET Column1 = @newvalue
if the procedure does a "SELECT", you should consider to change that, possibly into returning the data into an output parameter, the usage will change to:
DECLARE @val INT
EXEC StoredProcedure1 @val OUTPUT
UPDATE Table1
SET Column1 = @newvalue
say hello to Cursor's in SQL Server:
http://blog.sqlauthority.c
I dont like Cursor's. I rather create a windows/web application to handle your project.
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by: aneeshattingalPosted on 2009-11-03 at 12:16:37ID: 25733073
u cannot do an update like that, either you have to convert that sp into a user efined function and perform the update or else use a cursoror similar mechanism to loop thru each row and update those rows with the value that the sp retruns , anyway we need to see the sp to make further suggessions