This is one of the questions in the HackerRank SQL (Intermediate) certification test. It was one of the two I got when I took the test in June 2022. The query below is tested on MySQL 8.0 and 5.7.

Profitable Stocks is one of the five questions in the HackerRank SQL (Basic) certification test. It is short. The two things to get right are the comparison and the sort. There is one table of today’s ...

What happens when AI moves from helping job candidates to evaluating them? HackerRank, a platform used by companies to assess and hire developers, is offering a glimpse at what that future of job ...

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Intermediate core bond funds can form the centerpiece of a fixed-income portfolio. To screen for the top-performing funds in this category, we looked for those with the best returns over the last one- ...

Natural Language to SQL (NL2SQL) enables intuitive interactions with databases by transforming natural language queries into structured SQL statements. Despite recent advancements in enhancing ...

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 ...

Intermediate core bond funds often form the foundation of bond portfolios, and these top-rated funds offer some of the best options for investors. To screen for the top-performing funds in this ...

🎓 Verified and optimized solutions to the HackerRank SQL Certification Test — covering Basic, Intermediate, and Advanced levels. Ideal for certification preparation, SQL interview practice, and MySQL ...

🎓 Verified and optimized solutions to the HackerRank SQL Certification Test — covering Basic, Intermediate, and Advanced levels. Ideal for certification preparation, SQL interview practice, and MySQL ...