Kiss, Monday, June 10, 2002, 5:19:17 PM, you wrote: KD> I studied the MySQL and InnoDB manual, but I did not find anything about KD> the internal usage of foreign keys.
KD> I mean that I would like to know if foreign keys are used for query KD> optimizations or functions like that. KD> Because I think foreign keys should be used not only for keeping the data KD> integrity of the DB. Yes, you are right. Foreign keys implement constraints or referential integrity. But you can create foreign key only on indexed column. KD> Thanks, KD> Daniel Kiss -- For technical support contracts, goto https://order.mysql.com/?ref=ensita This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Victoria Reznichenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com --------------------------------------------------------------------- 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
