text: USE Library;
  
  INSERT INTO Authors
  VALUES  ('robert@gmail.com', 'Robert C. Martin'),
          ('martin@outlook.com', 'Martin Flowler');
  
  INSERT INTO Books
  VALUES  ('robert@gmail.com', 'Clean Code'),
          ('robert@gmail.com', 'The Clean Coder'),
          ('martin@outlook.com', 'Refactoring'),
          ('martin@outlook.com', 'Domain Specific Languages');
  
  INSERT INTO Topics 
  VALUES  ('Software'),
          ('Quality'),
          ('Architecture');
  
  INSERT INTO BooksTopics 
  VALUES  (1, 1),
          (2, 2),
          (2, 3),
          (3, 1),
          (4, 1),
          (4, 2),
          (4, 3);