Instruction
Good. Now that we have the table with a foreign key, let's find out how it works.
Exercise
Try to INSERT a new project into the table project with a manager_id which will be incorrect. Do you think this will succeed?
Stuck? Here's a hint!
For example, type:
INSERT INTO project VALUES (6, 'Valentine''s Day', 'A project to send gifts to all of our employees.', 15);



