Data & Databases

From what a database is to running a production-grade one — concepts, SQL, and two real engines.

Step 1

Introduction to Databases

What a database is — tables, keys, indexes, transactions.

15 lessons

Step 2

Databases & SQL

Query and change data with SQL, safely.

15 lessons

Step 3

Introduction to SQLite

A complete database in a single file.

15 lessons

Step 4

Introduction to PostgreSQL

A production database — indexes, JSONB, roles, backups.

15 lessons