Hence, the birth of the MySQL InnoDB vs. MyISAM debate. Of course, MySQL users prior to the 5.5 release were probably perplexed by the assertion that the database didn't support foreign keys. MySQL ...

If you use foreign key constraints you can't dump and restore tables unless you do so in a very specific order. It's very easy to do ``allowed'' circular definitions that make the tables impossible to ...

Oracle announced the general availability of MySQL Cluster 7.3, which adds foreign key support, a new NoSQL JavaScript Connector for node.js, and an auto-installer to make setting up clusters easier.

Can you do a foreign key within a single table, though? I've only ever seen foreign key constraints tying a field in one table to a field in another table.