Strengthen your Oracle muscles with
quizzes, workouts and classes. All for free.

The Dev Gym Over the Years

A look back at the players, quiz authors, and reviewers who made the most of the Oracle Dev Gym. Pick a year or check out the lifetime stats.


The Dev Gym offers a growing array of classes that give you the skills to build high quality applications on top of Oracle Database. Each class consists of modules built around Dev Gym workouts. Watch a video, read an article, then take quizzes to reinforce your new-found knowledge.

Learn More     Latest Classes


Don’t have time to commit to a class? Then why not try a workout? We offer a set of featured workouts, but you can also quickly create a “Do It Yourself” workout on your topic of choice. About to start a new project requiring lots of dynamic SQL? Set up a 60 minute workout of quizzes on this topic and the knowledge will be fresh, the syntax right at your fingertips.

Learn More     Latest Workouts


We’ve been writing quizzes for our tournaments since 2010, which means we now offer an enormous library of over 2,700 quizzes on SQL, PL/SQL, database design, Oracle Application Express, logic and Java. Take individual quizzes on your topic of choice, and then when you’ve got a bit more time, try a workout.

Learn More     Latest Quizzes


Sometimes you just want to learn, and other times you want to test that knowledge against other developers. Let's face it: lots of humans like to compete, and we make it easy for you to do that with our tournaments quizzes. Each week, we publish a brand-new quiz on SQL, PL/SQL, database design, Java and more. Your performance is ranked against other developers around the world. The top 50 ranked players at the end of year qualify to compete in the annual championship for top honors. And if you’re not the competitive sort, no worries! You can take the tournament quiz without being ranked.

Learn More     Latest Tournaments