RE: Foreign Key in MySQL (was: Newbie Question: Convert SELECT to DEL ETE)
| From: | Mikusch, Rita | Date: | Wed, 17 Oct 2001 16:09:55 +0000 |
| Subject: | RE: Foreign Key in MySQL (was: Newbie Question: Convert SELECT to DEL ETE) | ||
| Groups: | php.db | ||
| Request: | Send a blank email to php-db+get-13432@lists.php.net to get a copy of this message | ||
Foreign Keys? No such luck! You need to check the for the child records,
then delete them if they exist.
rita.
-----Original Message-----
From: Rick Emery [mailto:remery@excel.com]
Sent: Wednesday, October 17, 2001 6:09 AM
To: php-db@lists.php.net
Subject: Foreign Key in MySQL (was: Newbie Question: Convert SELECT to
DEL ETE)
MySQL also does not support FOREIGN keys. The term "FOREIGN KEY" is
accepted in the syntax, but it is ignored.
-----Original Message-----
From: Ted Rolle [mailto:ted@acacia.datacomm.com]
Sent: Tuesday, October 16, 2001 6:37 PM
To: Sheila Myers
Cc: php-db@lists.php.net
Subject: Re: [PHP-DB] Newbie Question: Convert SELECT to DELETE
statement in mysql
MySQL doesn't have a CASCADE option AFAIK; PostgreSQL does.B
On Tue, 16 Oct 2001, Sheila Myers wrote:
> I haven't done a lot of mySql, but does it have a 'cascade' option when
> you're creating tables? This allows you to define a foreign key
> relationship, so that when you delete your master record, the associated
> child records are also deleted.
>
> Sheila
>
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