Re: indexing on existing DB
| From: | Marco Tabini | Date: | Fri, 08 Nov 2002 16:00:54 +0000 |
| Subject: | Re: indexing on existing DB | ||
| References: | 1 2 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-23145@lists.php.net to get a copy of this message | ||
Except when you have a million records, which may take a few seconds to
build. :-)
Marco
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On Fri, 2002-11-08 at 11:12, Maxim Maletsky wrote:
>
> Index is always re-indexing itself on INSERT/UPDATE. Roughly, I don't
> think there is any difference in when you create an index before or
> after table is populated.
>
>
> --
> Maxim Maletsky
> maxim@php.net
>
>
>
> "Jason Vincent" <jayv@nortelnetworks.com> wrote... :
>
> > (I know this is more of a mySQL question than PHP, but allow me this one if
> > you would...)
> >
> > In MySQL, is there any difference between creating an index at table
> > creation time, and creating an index on an existing table? Does an index
> > created on an existing table re-index itself after each insert/update, or
> > does it only index itself once - when you create the index?
> >
> > Thanks in advance
> >
> > Regards,
> >
> > J
> >
>
>
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