SQL Practice Problems: 57 beginning, intermediate, and advanced challenges for you to solve using a “learn-by-doing” approach (English Edition)

SQL Practice Problems: 57 beginning, intermediate, and advanced challenges for you to solve using a “learn-by-doing” approach (English Edition)
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Do you need to learn SQL for your job? The ability to write SQL and work with data is one of the most in-demand job skills. Are you prepared?It's easy to find basic SQL syntax and keyword information online. What's hard to find is challenging, well-designed, real-world problems--the type of problems...

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