There are five employees in department $50.$ A statement trigger is created by: CREATE OR REPLACE TRIGGER emp$\_$upd$\_$trigg AFTER DELETE ON EMPLOYEES BEGIN $...$ A user now executes: DELETE FROM employees WHERE department$\_$id $=50$; How many times will the trigger fire, and when? Once, before the DELETE is executed The trigger will not fire at all. Six times, once after each row and once at the end of the statement Once, after the DELETE is executed Five times, after each employee row is deleted