text: DROP DATABASE IF EXISTS employees_db;
  CREATE DATABASE employees_db;
  
  USE employees_db; 
  
  CREATE TABLE department (
      id INT PRIMARY KEY AUTO_INCREMENT PRIMARY KEY,
      dep_name VARCHAR(30) NOT NULL
  );
  
  CREATE TABLE postion (
      id INT PRIMARY KEY AUTO_INCREMENT,
      title VARCHAR(60) NOT NULL,
      department_id INT NOT NULL
  );
  
  CREATE TABLE employee (
      id INT PRIMARY KEY AUTO_INCREMENT,
      first_name VARCHAR(20) NOT NULL,
      last_name VARCHAR(60) NOT NULL,
      postion_id INT
  )