Subject | Re: [firebird-support] Views / performance |
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Author | Ann W. Harrison |
Post date | 2004-04-01T20:55:20Z |
At 11:32 AM 4/1/2004, Nando Dessena wrote:
the equivalent expression - join, union, etc. - there is no extra cost.
Regards,
Ann
>H> There *is* extra cost in the optimizer with views.Which is true, if a view is compared with a simple table. If compared with
the equivalent expression - join, union, etc. - there is no extra cost.
Regards,
Ann