Walter Meester
HoogkarspelPays-Bas
Information générale
Forum:
Microsoft SQL Server
Versions des environnements
SQL Server:
SQL Server 2005
>>Dmitry,
>>>
>>>In VFP index tags have certain significance as they are used in SEEK() function. When creating index tags in SQL Server does it really matter the names of the index tags? If yes, what is it, then I will follow a certain convention.
>>
>>Not really, though, in SQL server you can within SQL select statement add a hint to which indexes to use.
>
>Walter,
>How do you indicate (or hint) in the SQL Select what index tag to use? I didn't know you can do it.
>Thank you.
SELECT * FROM Table WITH (INDEX(IndexName)) WHERE ...
See 'Table hints' on the SQL server Books online.
Note that is is not recommended as you overrule the SQL servers optimizer to determine the best query optimization plan. In some very specific cases it might be helpfull to specify, but in general you just want to make sure you've got the right indexes and let SQL server itself determine the best way to optimize the query.
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