Q:Question:The foreign key constraint means that every manager has to be an employee. Explain what is going to happen when a manager is deleted. Consider the following relation definition: create table manager emp_id char(20), manager_id char(20), primary key emp_id, foreign key (manager_id) references manager (emp_id) on delete cascade) - Assignment #2 The foreign key constraint means that every manager has to be an employee. Explain what is goingA:Answer:A foreign key with on cascade delete means that if...