Mysql onDelete cascade after table has been created

[apoorv....@gmail.com]

Hello I know we can use cascading while creating table but After I created table and there are bunch of data in it how would I do ondelete cascade.

I have a user table and a article table with one to many relationship and I have a foreign key user_id in article which refrences id in user table when I ran this query

ALTER TABLE `article`
FOREIGN KEY (`user_id`) REFERENCES `user` (`id`) ON DELETE CASCADE;

Now i Have foreign key but when I delete an entry in user table the corresponding entry in article does not get deleted.

[Jerry Stuckle]

What does this have to do with PHP?

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Jerry Stuckle
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