pacerier Posted October 30, 2009 Share Posted October 30, 2009 what exactly is the point of a foreign key? does it make processing faster? its weird but i tried adding an invalid value to the foreign key column but it doesn't reject that value! Quote Link to comment https://forums.phpfreaks.com/topic/179621-foreign-key/ Share on other sites More sharing options...
Mchl Posted October 30, 2009 Share Posted October 30, 2009 What storage engine you're using? In MyISAM foreign key definition are for documentation purposes only. In InnoDB they work as intended. Quote Link to comment https://forums.phpfreaks.com/topic/179621-foreign-key/#findComment-947792 Share on other sites More sharing options...
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