On Mon, 22 Oct 2001, Reiner Dassing wrote:
> Hello PostgreSQl Users!
>
> PostSQL V 7.1.1:
>
> I have defined a table and the necessary indices.
> But the index is not used in every SELECT. (Therefore, the selects are
> *very* slow, due to seq scan on
> 20 million entries, which is a test setup up to now)
>
> The definitions can be seen in the annex.
>
> Does some body know the reason and how to circumvent the seq scan?
>
> Is the order of index creation relevant? I.e., should I create the
> indices before inserting
> entries or the other way around?
>
Have you run a vacuum analyze to update the statistics after the data was
loaded?