On Mon, Nov 17, 2008 at 9:15 AM, Abah Joseph <[EMAIL PROTECTED]> wrote:
> The question came to my mind is, How did large website like Yahoo handle
> such data? Sure. Yahoo users may be more than 20 millions users or so.

Very large data sets are often partitioned in some way so that a given
lookup doesn't have to be performed against the entire data set.
That's quite an expansive topic in fact.


PHP Database Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to