Subject | Re: [firebird-support] VIEWs and JOINs |
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Author | Arno Brinkman |
Post date | 2003-08-02T07:55:58Z |
Hi,
doesn't.
Depending on how complex (INNER / OUTER JOINS) the view is.
Look at the resulting PLAN to see the result.
Regards,
Arno Brinkman
ABVisie
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Firebird links :
http://www.firebirdsql.com
http://www.firebirdsql.info
http://www.fingerbird.de/
http://www.comunidade-firebird.org/
Nederlandse firebird nieuwsgroep :
news://80.126.130.81
> What would be the advantage of using a VIEW over a set ofPerformance should be the same, but in sometimes in FB1.0 the optimizer
> tables? For e.g. if I were using a SELECT query on a JOIN
> between two tables, would there be any performance benefits if I
> put the JOIN on the tables into a VIEW and accessed the VIEW
> instead of the separate tables?
doesn't.
Depending on how complex (INNER / OUTER JOINS) the view is.
Look at the resulting PLAN to see the result.
> Also what works faster in FireBird, an explicit JOIN or a JOINFor an INNER JOIN should also be the same.
> enforced in the WHERE clause?
Regards,
Arno Brinkman
ABVisie
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Firebird links :
http://www.firebirdsql.com
http://www.firebirdsql.info
http://www.fingerbird.de/
http://www.comunidade-firebird.org/
Nederlandse firebird nieuwsgroep :
news://80.126.130.81