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New, featured and most popular quizzes from our library

When Not Signed In and Haven't Taken a Quiz

We've got over 2,500 quizzes available to help you test and reinforce your knowledge of key Oracle technologies and more. Most quizzes are multiple choice and packed full of code, so you get to improve your code reading skills as well! And did we mention it's all free?

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I Love Logic: 16 Oct - 22 Oct 2021

by Eli Feuerstein on Logic

16 Oct - 22 Oct

63

Open

Tournament

Weekly Database - 16 October 2021

by Kim Berg Hansen on SQL

16 Oct - 22 Oct

78

Open

Tournament

Deductive Logic

by Eli Feuerstein on Logic

16 Oct - 22 Oct

23

Featured

Advanced

IS JSON

by Chris Saxon on DSGN

16 Oct - 22 Oct

29

Featured

Intermediate

ABS

by Kim Berg Hansen on SQL

16 Oct - 22 Oct

48

Featured

Beginner

SET Function

by Steven Feuerstein on PLSQL

16 Oct - 22 Oct

51

Featured

Intermediate

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