text: DROP DATABASE IF EXISTS employeeTracker_db;
  CREATE DATABASE employeeTracker_db;
  USE employeeTracker_db;
  
  CREATE TABLE department(
  id INTEGER,
  name VARCHAR(30),
  PRIMARY KEY (id)
  )
  
  CREATE TABLE role(
      id INTEGER,
      title VARCHAR(30),
      salary DECIMAL,
      department_id INTEGER,
      PRIMARY KEY (id)
  )
  
  CREATE TABLE employee(
      id INTEGER,
      first_name VARCHAR(30),
      last_name VARCHAR(30),
      role_id INTEGER,
      manager_id INTEGER,
      PRIMARY KEY (id)
  )
  
  --   * Add departments, roles, employees
  
  --   * View departments, roles, employees
  
  --   * Update employee roles
  --   * Update employee managers
  
  --   * View employees by manager
  
  --   * Delete departments, roles, and employees
  
  --   * View the total utilized budget of a department ie the combined salaries of all employees in that department
  
  -- look at great bay example activity 10 in sql