Day 68: Stop Using WHERE for Everything! Master SQL HAVING Clause 🎯
Ever wondered why your WHERE clause isn't working when you use SUM or COUNT? Today is Day 68 of our SQL journey, and we are cracking the code on the HAVING clause.
In this video, we break down:
The fundamental difference between WHERE (filtering rows) and HAVING (filtering groups).
The exact order of operations in SQL to keep your queries performant.
Pro-level business logic: Combining WHERE, GROUP BY, and HAVING for complex reporting.
By the end of this session, you’ll be scripting complex SQL business logic with total confidence.