in mysql, on delete cascade not working

Question

similar to ON DELETE CASCADE not working in MySQL, but something is not right:

The ANSI Way

-- test delet         


        

Answer 1

(assuming that should be a "foreign key" not a "primary key" in table t2)

MySQL simply ignores all inline foreign key constraints without a warning.

Therefore, you need to explicitly add a foreign key constraint as shown by dnagirl.