text: DROP TABLE IF EXISTS billionaires;
   
  CREATE TABLE billionaires (
    id INT AUTO_INCREMENT  PRIMARY KEY,
    first_name VARCHAR(250) NOT NULL,
    last_name VARCHAR(250) NOT NULL,
    career VARCHAR(250) DEFAULT NULL
  );
   
  INSERT INTO billionaires (first_name, last_name, career) VALUES
    ('Aliko', 'Dangote', 'Billionaire Industrialist'),
    ('Bill', 'Gates', 'Billionaire Tech Entrepreneur'),
    ('Folrunsho', 'Alakija', 'Billionaire Oil Magnate');