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Check if PK value is in table
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À
08/12/2005 17:08:19
Keith Payne
Technical Marketing Solutions
Floride, États-Unis
Information générale
Forum:
Microsoft SQL Server
Catégorie:
Stored procedures, Triggers, UDFs
Versions des environnements
SQL Server:
SQL Server 2000
Divers
Thread ID:
01076415
Message ID:
01076423
Vues:
19
>>Is this (see code snippet below) the most efficient way to check if there is a row in the table with a given PK value?
>>
>>
>>IF ( SELECT COUNT(*) FROM MyTable WHERE PkId = @PkId ) < 1
>>BEGIN
>>	RAISERROR('The record you are looking for aint there.',16,1)
>>END
>>
>>
>>Einar
>
>
IF NOT EXISTS(SELECT [PK] FROM [MyTable] WHERE [PK] = @PK) ...
>
>If this query is used a lot, there should be a nonclustered index on PK.

Thanks. Your way looks cleaner than my code.

Einar
Semper ubi sub ubi.
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