On Sun, Nov 04, 2001 at 01:06:27AM +0100, florian wrote: > > im storing pretty big amounts of customer data in a mysql databases. > its about 2 million rows. what im wondering about now is, how does > mysql perform joins on such amounts of data? > > i was planning to split the info in at least 3 tables: a general > customer table, a address table, and a contact table. since also > other needs than just customers, for storing addresses and contacts. > > would it perform better though to store all that in one single table > or is is it okay to split it up in 3 and join them later then, > depening on what information is needed?
How many rows do you plan on pulling at once? I have experience with it handling joins against a 150 million row table quite efficiently. And I know others have gone higher than that. Jeremy -- Jeremy D. Zawodny, <[EMAIL PROTECTED]> Technical Yahoo - Yahoo Finance Desk: (408) 349-7878 Fax: (408) 349-5454 Cell: (408) 685-5936 MySQL 3.23.41-max: up 60 days, processed 1,315,991,848 queries (253/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
