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GalaXQL is an interactive SQL tutorial. Follow the instructions by your virtual teacher. The teacher can understand several possible mistakes that you may make, and gives hints on what may have gone wrong. You can skip to any chapter in the tutorial whenever you want. Use the query editor to interact with the database, and to complete the assignments given by the virtual teacher. SQLite (the database engine used in GalaXQL) returns helpful, human-readable error messages.If you need more information, you can look things up in the integrated reference. Oh, and the OpenGL-rendered galaxy map is not there just for show; you can alter the galaxy using SQL.