The SQL habit that separates juniors from seniors
If your SQL still lives in nested subqueries, read this.
Last week, we broke down SQL's joins.
Today we go one layer up. Not stitching tables together, but organizing the whole query so it reads like structured code instead of a wall of nested logic.
Here’s this week’s cheatsheet 👇🏻
Ever inherited a SQL query from someone who left three months ago?
Nothing lines up. The same metric is calculated three different…