nonobie — Real dev skills, explained like a friend would

Warming up the neural circuits...

Prerequisites

Before starting this course, you should understand basic (SELECT, INSERT, JOINs). If you're new to SQL, start with the free SQL & PostgreSQL Fundamentals course first.

This course transforms you from a SQL user into a database engineer. You'll learn:

Advanced SQL — complex joins, subqueries, CTEs, window functions
Database Design — , schema planning, production patterns
PostgreSQL Internals — MVCC, query planner, vacuum, WAL, transactions
Performance & Optimization — deep indexing, EXPLAIN ANALYZE, slow query debugging
Real Backend Systems — auth schemas, multi-tenant SaaS, payment ledgers, analytics
PostgreSQL Features — JSONB, full-text search, triggers, functions, extensions
Production Engineering — backups, replication, migrations, security, monitoring
Integration — PostgreSQL with Node.js, Prisma/Drizzle, full- patterns
Capstone Projects — SaaS platform DB, ecommerce backend, social media backend

Modules

#	Module	Est. Time
01	Advanced SQL — Complex Joins & Subqueries	25 min
02	Advanced SQL — CTEs & Window Functions	30 min
03	Database Design — Normalization & Schema Planning	20 min
04	PostgreSQL Deep Dive — MVCC & Transactions	25 min
05	PostgreSQL Deep Dive — Vacuum, WAL & Locks	25 min
06	Performance — Indexing Deeply	30 min
07	Performance — EXPLAIN ANALYZE & Query Optimization	25 min
08	Real Backend Systems — Auth & Multi-Tenant	30 min
09	Real Backend Systems — Payments & Analytics	30 min
10	PostgreSQL Features — JSONB, Full-Text Search, Extensions	25 min
11	Production Engineering — Backups, Replication, Migrations	30 min
12	Integration — Node.js, Prisma, Drizzle	30 min
13	Capstone — SaaS Platform Database	40 min
14	Capstone — Ecommerce Backend	40 min

What you get

14 in-depth modules with production-ready examples
Real database schemas used by actual companies
Query optimization techniques that reduce page load times by 10x
Multi-tenant SaaS patterns with Row-Level Security
Payment ledger schemas (double-entry accounting)
Full capstone projects with complete schemas and queries

SQL & PostgreSQL — Advanced Course

Modules

What you get