Subject | Re: [firebird-support] Re: SELECT COUNT performance |
---|---|
Author | Doug Chamberlin |
Post date | 2010-07-10T14:31:30Z |
On 7/10/2010 9:35 AM, sqlsvr wrote:
> Nevermind fixed it. I just checked the index selectivity and it's very low selectivity. When I did the count, I thought the filter used was the primary key (which has a high selectivity) but used a foreign key instead of the primary key.You're welcome.
>