On Sun, Feb 10, 2002 at 02:53:53PM -0500, Matthew Dougherty wrote: > If I use a REGEXP query on an indexed column using something like: > Field REGEXP '^A|^B|^C' > > Will MySQL use the index like it would if I used Field LIKE 'A%' or > Field LIKE 'B%' or FIeld LIKE 'C%' ??
It will not. Regular expressions are best used when you need something more complex than what "%" allows you to achieve. Jeremy -- Jeremy D. Zawodny, <[EMAIL PROTECTED]> Technical Yahoo - Yahoo Finance Desk: (408) 349-7878 Fax: (408) 349-5454 Cell: (408) 685-5936 MySQL 3.23.47-max: up 3 days, processed 121,771,991 queries (403/sec. avg) --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
