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my stored proc receive "@CatergoryIDs varchar"

@CatergoryIDs contains single or multiple IDs separated by "|",

my stored proc look like this :

Select R.ID,,CategoryID, (sum(C.Rating)/Count(R.ID)) as "Rating" from Table1 R left outer join Table2 C ON R.ID = C.ID GROUP BY R.ID having R.CategoryID = @CatergoryID RETURN
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  • If you're using SQL Server 2008 or above, you should consider using a TVP (Table-Valued Parameter). Commented Apr 22, 2012 at 8:34

1 Answer 1

Reset to default
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You should be able to use CHARINDEX. However, this is very inefficient, it would be better to have @CategoryID as a table variable.

SET @CatergoryID = '|'+@CatergoryID+'|'; SELECT R.ID, R.CategoryID, (SUM(C.Rating)/COUNT(R.ID)) AS Rating FROM Table1 AS R LEFT OUTER JOIN Table2 AS C ON R.ID = C.ID WHERE CHARINDEX('|'+R.CategoryID+'|', @CatergoryID)>0 GROUP BY R.ID, R.CategoryID
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