This repository serves as documentation and solution storage for the HackerRank Intermediate SQL Certification. It demonstrates proficiency in writing complex, efficient, and well-structured SQL ...
🎓 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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback