Subject Re: increase PLAN performance...
Author Svein Erling
Lourenço de Paula wrote:
> Hi,
>
> I'm executing a SQL statement and it is returning the result after
30 seconds, but if I specify the plan that Firebird should execute it
returns after 5 seconds or less.
>
> Have I any way to increase PLAN performance of my server with out
indicate the plan I want?
>
> All help will be usefull.
>
> Thanks.

Hi Lourenço!

I often restrict Firebird by preventing it from using certain indexes,
e.g. by using WHERE (<IndexedField> = :value OR 2=0). For more
specific help, please show us your query and Firebirds and your plans.

HTH,
Set