Seb wrote:
Hi,
I have some views and queries that take a bit too long to return, so
perhaps some judicious indexes might help, but I don't know much about
how to use them. The PostgreSQL manual has a good section on indexes,
but I can't find guidance on (unless I missed something):
o How to de
On Mon, 18 Jan 2010 08:59:56 +1100,
Chris wrote:
>> o Should all foreign keys have an index?
> Not necessarily, you might just want the db to enforce the restriction
> but not actually use the data in it. For example, keep a userid (and
> timestamp) column of the last person to update a row. You
Seb wrote:
> On Mon, 18 Jan 2010 08:59:56 +1100,
> Chris wrote:
>
>>> o Should all foreign keys have an index?
>
>> Not necessarily, you might just want the db to enforce the restriction
>> but not actually use the data in it. For example, keep a userid (and
>> timestamp) column of the last pers