Disappearing Foreign Keys in phpMyAdmin

Question

I am creating a new table inside mysql and I am trying to add a foreign key constraint to one of the fields.

CREATE TABLE `onlineorder` (
  `receiptid` varchar(10) NO         


        

Answer 1

You need to use the InnoDB engine to have foreign keys.

Ref: http://dev.mysql.com/doc/refman/5.0/en/innodb-foreign-key-constraints.html