Did you touch up my.cnf/ini to enable InnoDB? PB
----- ----- Original Message ----- From: "David T-G" <[EMAIL PROTECTED]> To: "mysql users" <[EMAIL PROTECTED]> Sent: Sunday, December 01, 2002 6:32 AM Subject: Re: creating related tables > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hello again -- > > ...and then David T-G said... > % > % I would like to create a couple of related tables (just for starters) but > % I can't figure out how to do it; there are lots of CREATE TABLE examples > % in the mysql manual but nothing that shows related columns. > > Aha! I get it! I *have* to have the InnoDB add-on in order to support > foreign keys and fully relational tables, right? Boy, that took a lot of > digging. > > So now I know that I can > > CREATE TABLE parent(id INT NOT NULL, PRIMARY KEY (id)) TYPE=INNODB; > CREATE TABLE child(id INT, parent_id INT, INDEX par_ind (parent_id), > FOREIGN KEY (parent_id) REFERENCES parent(id) > ON DELETE SET NULL) TYPE=INNODB; > > to create relational tables, just like the manual says. > > Now I need to have innodb included, then. The manual says that it's > included in 4.0.x, so if I have 4.0 then I should have innodb. Not only > does the SQL above not give me any errors, but I also successfully ran > > TRUNCATE child ; > TRUNCATE parent ; > > and since the manual says that TRUNCATE is new with 4.0 I must have a 4.x > rather than 3.x mysqld. Good so far. > > If that's the case, then why do I get > > mysql> show create table child ; > +-------+-----------------------------------------------------+ > | Table | Create Table > | > +-------+-----------------------------------------------------+ > | child | CREATE TABLE `child` ( > `id` int(11) default NULL, > `parent_id` int(11) default NULL, > KEY `par_ind` (`parent_id`) > ) TYPE=MyISAM | > +-------+-----------------------------------------------------+ > > mysql> show create table parent ; > +--------+----------------------------------------------------+ > | Table | Create Table > | > +--------+----------------------------------------------------+ > | parent | CREATE TABLE `parent` ( > `id` int(11) NOT NULL default '0', > PRIMARY KEY (`id`) > ) TYPE=MyISAM | > +--------+----------------------------------------------------+ > > on my tables? TYPE=MyISAM doesn't look very innodb-like... > > > TIA & HAND > > mysql query, > :-D > - -- > David T-G * There is too much animal courage in > (play) [EMAIL PROTECTED] * society and not sufficient moral courage. > (work) [EMAIL PROTECTED] -- Mary Baker Eddy, "Science and Health" > http://www.justpickone.org/davidtg/ Shpx gur Pbzzhavpngvbaf Qrprapl Npg! > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.7 (FreeBSD) > > iD8DBQE96h2CGb7uCXufRwARAgtQAKCaQ9s/Yw6f/KP8U8kKHgbZjysb7gCfSMoW > 2PJU8VEIpkNknj5Ii1ZiC2I= > =xrei > -----END PGP SIGNATURE----- > > --------------------------------------------------------------------- > 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 > > > --------------------------------------------------------------------- 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
