Re: Problem with mysql and php
| From: | Tamara Temple | Date: | Tue, 29 Nov 2011 22:32:43 +0000 |
| Subject: | Re: Problem with mysql and php | ||
| References: | 1 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-48109@lists.php.net to get a copy of this message | ||
Jason Pruim <lists@pruimphotography.com> wrote:
> Given the following 2 queries:
>
> "SELECT DISTINCT areacode FROM main WHERE state = '{$query_exploded[0]}'";
>
> "SELECT DISTINCT areacode FROM main";
>
> The second displays ALOT faster.... Like by minutes... the first one is what I really want
> though.... Currently working with a dataset of 89 million records, will be expanding that to many
> many more times that... To the tune of possibly a couple billion records...
>
> Any ideas? :)
make state an index into the table.