text: CREATE DATABASE control_electrificador;
  
  CREATE TABLE users (
  	id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
  	key VARCHAR(255) NOT NULL
  );
  
  CREATE TABLE register (
      id INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY,
      event VARCHAR(50) NOT NULL,
      date TIMESTAMP NOT NULL
  );
  
  SELECT "key"
  FROM control_electrificador.users;