Subject Re: [firebird-support] SQL Help
Author Alexandre Benson Smith
Robert martin wrote:
> Hi Alexandre
>
> I have tested the performance and it is not too hot. On a basic test of
> selecting all items with their stock level performance was
>
> 0.9s for the view vs 0.4s for a direct table SQL
>
> not great but not too bad. However for a restricted select (just the
> same details for one item) the results are
>
> 0.6s for the view and 0.015s for direct (note that the accuracy of the
> timing app means that the fasted result possible is 0.015s, so it very
> well could have been faster than that).
>
> This is with 56000 records in stockLevel.
>
> So the view is an easy solution but too slow :-(
>
> Thanks for the suggestion anyway, I should have tested it earlier than this.
>
> Rob
>

What version of FB ?

What the code did you use in both (view and table direct access) ?

What the plans for both cases ?

Could it be a cache issue ?

see you !

--
Alexandre Benson Smith
Development
THOR Software e Comercial Ltda
Santo Andre - Sao Paulo - Brazil
www.thorsoftware.com.br