Subject Re: [firebird-support] Problem with not in queries in Firebird 2.0 RC3
Author Dmitry Yemanov
"Richard Wesley" <hawkfish@...> wrote:
> How is the performance with the left join?

Better than with the non-indexed NOT IN.

> This is how we implement
> "exclude" filters and we found it to be a significant performance
> problem with FB2.

A test case is welcome.