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Store Procedure - Loop through data

I have a very simple question regarding the SQL Server store procedure syntax.

I have a query that returns a set of data:
select myfield from mytable.

I want to execute that query and loop through the data set.

I tried:

declare
@results varchar(10)
select @results=myfield
from mytable

It fails obviously, because I expect over 100s of rows.

Could you post an example hot to accept a data set and loop through it ?

Thanks,
0
marper
Asked:
marper
  • 2
2 Solutions
 
Aneesh RetnakaranDatabase AdministratorCommented:
declare @i int ,@results varchar(10)
DECLARE @Tab table ( i int identity , results varchar(10 ) )

INSERT Into @tab
select myfield
from mytable
SELECT @i = @@ROWCOUNT
WHILE @@ROWCOUNT  > 0
BEGIN
  SELECT @Result = result from @tab where i = @i
   --- do your stuff here

   set @i = @i -1
END

0
 
pssandhuCommented:
You can use a cursor to loop through your record set as well:
Here is an example: http://www.mssqltips.com/tip.asp?tip=1599
Hope that helps.
P.
0
 
Aneesh RetnakaranDatabase AdministratorCommented:
Never use a cursor use the table variable
0

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