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Introducing a free, self-paced, quick and official course, one of of Oracle's Dev Gym quizzes, about the concepts and syntax behind SQL's Analytic functions.
Oracle's Dev Gym quizzes, a collection of workouts and classes, offer a form of "active learning" recognizing the idea that to get better at writing code, you actually need to write code - and also read and understand code.So these quizzes are a mix of video and code tutorials that incorporate an interactive playground where you can tweak and run the tutorial's attached code in order to strengthen your code comprehension skills and learn in depth the subject at hand.To join you just need an Oracle account, which is free too.
full article on i-programmer.info
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