text: USE company_db;
  
  INSERT INTO departments (`name`)
  VALUES ("Marketing");
  INSERT INTO departments (`name`)
  VALUES ("Leadership");
  INSERT INTO departments (`name`)
  VALUES ("Accounting");
  INSERT INTO departments (`name`)
  VALUES ("R&D");
  
  INSERT INTO roles (`title`, `salary`, `department_id`)
  VALUES ("Engineer", 100000, 4);
  INSERT INTO roles (`title`, `salary`, `department_id`)
  VALUES ("Manager", 75000, 2);
  INSERT INTO roles (`title`, `salary`, `department_id`)
  VALUES ("Accountant", 65000, 3);
  
  INSERT INTO employees (`first_name`, `last_name`, `role_id`, `manager_id`)
  VALUES ('Tom', 'Fish', 1, 1);
  INSERT INTO employees (`first_name`, `last_name`, `role_id`, `manager_id`)
  VALUES ('Bruce', 'Koala', 2, 2);
  INSERT INTO employees (`first_name`, `last_name`, `role_id`, `manager_id`)
  VALUES ('Jim', 'Shark', 3, 3);
  INSERT INTO employees (`first_name`, `last_name`, `role_id`, `manager_id`)
  VALUES ('Paul', 'Crab', 4 ,4);
  INSERT INTO employees (`first_name`, `last_name`, `role_id`, `manager_id`)
  VALUES ('Penny', 'Butterfly', 5, 5);
  