Schema Design
Design the spreadsheet before the receipts pile up.
▶ the lesson · ~35s · narrated · tap for sound
the intro
Schema design decides what tables exist, what columns they have, and how they relate. Good schemas make features easy; bad ones make every query a fight. The fundamentals: entities become tables, relations become keys, and duplication gets a very good reason.
fun fact ✦
Every many-to-many relationship in history has been solved by the same move: a junction table.
the docs
quick hits about Schema Design
15-second answers · interviews, tips, trivia & hidden gems
🎤 interview
PRIMARY KEY vs UNIQUE vs INDEX?
🎤 interview
What is normalization?
📚 tutorial
The three relationship shapes
💎 deep
How many-to-many actually works
🔧 useful
Name tables like a pro
🆕 update
UUIDv7 for primary keys