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Re: Delete performance

From: Arnau <arnaulist(at)andromeiberica(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Delete performance
Date: 2006-02-23 16:45:12
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
> Yes, if you are concerned about the performance of updates/deletes on
> the departments table.  The reason the system doesn't make such an index
> automatically is that there are common scenarios where you seldom or
> never update the master table, and so the index wouldn't repay the cost
> it creates for updates of the slave table.

Thanks for the explanations :-)


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