My Favorite 488U

He used most of his vacation days to learn to code, and then he eventually left BCG to launch a YC-backed AI robotics company.

(Credit: Courtesy of Oscar Brisset)

How to analyse a Stock in 30 Seconds

📍 Department vs City Salary Summary (SQL CASE + GROUP BY)

Want to compare how salaries are distributed across cities within each department?
With a simple combination of CASE expressions and GROUP BY, you can break down salary totals by location — all in one compact query.

This approach helps you:
✅ Analyse departmental cost distribution across cities
✅ Identify location-based salary concentration
✅ Prepare HR & finance summary reports
✅ Understand geographic compensation patterns

The pattern is simple but extremely powerful for real-world analytics and dashboarding.