SQL Intermediate Certification Skills Test on Hackerrank Detailed SOLUTION!

In this video I am solving the intermediate Certification Skills Test on Hackerrank. Watch also my other videos for more SQL Certification Solutions. ____________________________________________ SUBSCRIBE! Do you want to understand how to solve SQL Problems in every detail? That's what my channel is about. When I was younger I thought I could never program because it looked way too difficult. The truth is that it takes time but with some patience anybody can do it! Follow me along and get better! ____________________________________________ SUPPORT MY CHANNEL 🙌The best way to support my channel right now is to give me a Super Thanks. You can do that by clicking thanks next to the title of the video. It is much appreciated! ____________________________________________ 💾GitHub: https://github.com/CuriosityLeonardo?... ✋Add me on LinkedIn to get in contact:   / markus-friemann-221b3814b   ____________________________________________ Timestamps: 0:00 Sample test 1:50 First Question - Product Without Sales 6:34 Second Question - Business Expansion