5 SQL Formatting Rules That Make Your Queries Actually Readable

We've all been there — you inherit a project, open a stored procedure, and it's one giant wall of SQL. No indentation, no structure, just chaos. Or maybe you wrote it yourself 6 months ago and now you can't even tell what it does. After years of writing SQL professionally, here are 5 formatting rules I follow that make my queries actually readable — both for my teammates and for future me. 1. One Clause Per Line This is the simplest rule but makes the biggest difference. Each major SQL clause gets its own line. Bad: SELECT u . id , u . name , u . email , o . total FROM users u JOIN orders o ON u . id = o . user_id WHERE o . created_at > '2024-01-01' AND u . active = 1 ORDER BY o . total DESC ; Good: SELECT u . id , u . name , u . email , o . total FROM users u JOIN orders o ON u . id = o . user_id WHERE o . created_at > '2024-01-01' AND u . active = 1 ORDER BY o . total DESC ; Instantly more scannable. You can immediately see the tables involved, the join condition, and the filters. 2.