Practice smart by starting with easier problems to build confidence, recognizing common coding patterns, and managing your ...
A recent article reports that an Oracle patent on a fast sorting method has expired, allowing open source databases to use it freely. Mark Callaghan, the inventor behind the sorting algorithm, shows ...
In this repository, we have SQL problems for practice from beginner level to advanced level using a fictitious database 'Worldwide importers'. I learned SQL under Udacity Introduction to Data Science ...
I learned SQL under Udacity Introduction to Data Science nanodegree program. I also used Hackerrank to practice the queries i learned.
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