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Check record existence using Dynamic SQL
Message
 
 
À
29/07/2007 13:39:51
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Autre
Versions des environnements
SQL Server:
SQL Server 2005
Divers
Thread ID:
01244442
Message ID:
01244456
Vues:
12
Hi John,

Why do you need dynamic SQL in the first place? In general, you should keep triggers as efficient as possible.

>In my trigger, I use dynamic sql to check for record existence in other table before do actual update.
>
>Currently, I am using @@ROWCOUNT to check rows after run the dynamic SQL using EXEC(). However, it affect RecordsAffected property in ADO.NET. I also tried to use "SELECT @row_count = COUNT(*) ... ", but it hit error, seem like @row_count in not accessible in dynamic sql scope.
>
>Any workaround?
>
>Thank you
--sb--
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