Although you didn't write any PHP at all in this chapter, you did learn how to create a basic data structure using the SQL language. You learned how to work with the MySQL console to create, and use databases. You learned how to return data from your database using the SELECT statement. You know how to modify the SELECT statement to get more specific results. You learned how SQLyog can simplify the creation and manipulation of MySQL databases. You built a data structure for an adventure game.