The following challenges all revolve around simple SELECT statements that make use of SELECT, FROM, WHERE, and ORDER BY. The WHERE clauses will use and three basic boolean operators as well as some of ...

Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

Here are the 4 questions asked in HackerRank SQL Basic Certification Exam, from these 2 will be available in one attempt. Student analysis SQL… ...

Add a description, image, and links to the hackerrank-sql-intermediate topic page so that developers can more easily learn about it.

Here are the 2 questions asked in HackerRank SQL Intermediate Certification Exam, these 2 will be available in one attempt. The questions asked are Invoices Per Country and Product Sales Per City.

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