MySQL. Can't create table errno 150

Question

I have to create a database with two tables in MySQL, but the script fails with errno 150 (foreign key problem). I double-checked the foreign key fields to be the same on bo

Answer 1

Another hint:

Even when your data types seem to be the same - in my case both columns had VARCHAR(50) - this is not enough.

You also need to make sure that both columns have the same COLLATION.