text: CREATE TABLE IF NOT EXISTS greetings(
      id      bigserial primary key,
      message varchar(255)
  );
  
  INSERT INTO greetings(message) VALUES ('Hello world!');
  INSERT INTO greetings(message) VALUES ('Hi there!');
  INSERT INTO greetings(message) VALUES ('Welcome!');
  INSERT INTO greetings(message) VALUES ('Nice to meet you!');
  INSERT INTO greetings(message) VALUES ('Oh, hello!');