From: Martijn Tonies Date: March 31 2006 2:53pm Subject: Re: Table Type For PK/FK List-Archive: http://lists.mysql.com/mysql/196370 Message-Id: <035c01c654d2$da614170$cd02a8c0@martijnws> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Hello Sheeri, > Indeed, only the BDB and InnoDB storage engines support referential > integrity. If you accidentally create the table as MyISAM, there is > no error, though -- the constraints serve as a comment. No error? A comment? What use is that? If you want FKs, having the FKs as "a comment" is useless. Instead, re-create the table as of the InnoDB type. Martijn Tonies Database Workbench - development tool for MySQL, and more! Upscene Productions http://www.upscene.com My thoughts: http://blog.upscene.com/martijn/ Database development questions? Check the forum! http://www.databasedevelopmentforum.com