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879,230 quizzes played * 1,090 active players * US$69,112 in prizes awarded
Welcome, Oracle Technologists!

Are you a PL/SQL developer or Oracle technologist who uses PL/SQL, SQL or APEX? Do you want to hone your skills, deepen your knowledge of these technologies - and along the way have fun and win some prizes? Then you�ve come to the right place!

Playing the quizzes (daily PLSQL, weekly SQL and APEX, plus more) is completely free - and you could win prizes ranging from O'Reilly Media ebooks to US$250 Amazon.com gift cards!

Of course, you don't have to be a competitor on the PL/SQL Challenge; you can simply use the site to broaden and deepen your expertise in these key Oracle technologies.

I invite you to join the growing community of technologist who are learning through play, and along the way sharing their own expertise with others.

Thousands of developers have been playing the PL/SQL Challenge since April 2010. Check out up to five past quizzes in our library - register for unlimited access!
Developers have told us how much they learn from taking quizzes, instead of just reading about features. Try your hand at a PL/SQL quiz - then register so you can play the PL/SQL, SQL and APEX quizzes!
Chances are you have friends and colleagues taking the Challenge!
See List of Recent Winners
View the Recent Rankings Search by name or country
- Testing your skills is the best way to learn!
- Keep track of your skills. Print your profile for potential employers.
- It's tons of fun to compete against colleagues all over the world!
Feedback   FAQ   Blog
879,230 quizzes played * 1,090 active players * US$69,112 in prizes awarded