Tables, rows and columns: the shape of your data

Lesson 2 of where your data lives: how a database lays things out, why every column has a type, and the one column that connects everything. Aliteq Sam Ortega · Build Editor

A table is a grid: rows are records, columns are fields

Each column has a type, and each row has a unique ID

An owner column (like user_id) links rows to people and powers the security rules

If a table holds anything personal, it needs a column that says whose it is. Ask your AI tool which tables have an owner column, and which don't.

What this means for your app

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