Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

So, you’ve got a HackerRank test coming up, huh? It’s pretty common these days, with lots of companies using it to see if you can code. It can feel a bit daunting, but honestly, it’s just another ...

Curious engineer writing about things that work, fail, and unexpectedly scale.

Cloud database forensics faces fundamental structural challenges that differ from traditional on-premises environments. This study experimentally investigates how three representative recovery ...

SQL Case Files is a free interactive SQL game that teaches SQL through crime-solving challenges. Learn SQL online with hands-on puzzles, realistic datasets, SQL practice exercises, and a full ...