| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | David Blood <davidjblood(at)yahoo(dot)com> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: indices |
| Date: | 2002-03-07 21:23:42 |
| Message-ID: | 200203072123.g27LNh711795@candle.pha.pa.us |
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| Lists: | pgsql-general |
David Blood wrote:
> Is there a point where there are too many indices or does postgres just
> chose out of all the indices on a table the one that matches the queries
> needs the best?
It chooses the best, but INSERT/UPDATE involve index upkeep, so too many
can be a performance problem.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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