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Execute a statement against a dynamic list with this stored procedure

Execute a statement that performs an action validating against a dynamic list of values with this SQL Server stored procedure.

Need to execute a statement that performs an action validating against a list of values, but the list changes from one run to the other? Or perhaps the list is built dynamically within a stored procedure? Here's how:

DECLARE @ProdList as varchar(200) 

SET @ProdList = "'PROD1','PROD2','PROD3'" 

EXECUTE ('DELETE FROM tblProducts WHERE ProductID IN (' + @ProdList + ')') 

Reader Feedback

Yuriy M. writes: Instead of using a dynamic SQL statement, you could apply a little trick with the CHARINDEX function, which is faster and more flexible. If you need to just execute a SELECT statement, you can use it inside a user defined function.

  
DECLARE @ProdList as varchar(200) 
SET @ProdList = "'PROD1','PROD2','PROD3'" 
DELETE FROM tblProducts 
WHERE CHARINDEX(',' + ProductID + ',', ',' + CASE 
WHEN @ProdList IS NOT NULL THEN @ProdList ELSE ProductID END + ',') <> 0 

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