> 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.
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