MySQL Creating tables with Foreign Keys giving errno: 150

Question

I am trying to create a table in MySQL with two foreign keys, which reference the primary keys in 2 other tables, but I am getting an errno: 150 error and it will not create

Answer 1

This is usually happening when you try to source file into existing database. Drop all the tables first (or the DB itself). And then source file with SET foreign_key_checks = 0; at the beginning and SET foreign_key_checks = 1; at the end.