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Advanced Databases

SQL, NoSQL, and database design

Learning Roadmap

Recommended Path

4 months

SQL Fundamentals (Month 1)

Database Design & Normalization (Month 2)

NoSQL Databases (Month 3)

Performance & Scaling (Month 4)

Free Courses

SQL for Data Science

Coursera (UC Davis)

MongoDB University

MongoDB (Free)

Database Design and Basic SQL

Coursera (University of Michigan)

Video Tutorials

SQL Tutorial - Full Database Course for Beginners

freeCodeCamp.org

Complete SQL course covering all fundamentals

4 hours

MySQL Tutorial for Beginners - Full Course

Programming with Mosh

Comprehensive MySQL course from basics to advanced

3 hours

MongoDB Crash Course

Web Dev Simplified

Quick but thorough MongoDB introduction

30 minutes

PostgreSQL Tutorial Full Course

freeCodeCamp.org

Complete PostgreSQL course for beginners

4 hours

Certifications

IBM Data Science Professional Certificate

Coursera (IBM)

IBM data science certificate including databases - free to audit

Free to audit

SQL for Data Science

Coursera (UC Davis)

SQL fundamentals course - free to audit

Free to audit

MongoDB for SQL Professionals

MongoDB University

Free MongoDB certification course

100% Free

Database Design and Basic SQL

Coursera (University of Michigan)

Database design fundamentals - free to audit

Free to audit

Relational Database Certification

freeCodeCamp

Free database certification with PostgreSQL

100% Free

Introduction to Databases

Great Learning Academy

Free database fundamentals with certificate

100% Free

Practice & Resources

SQLZoo

Interactive SQL practice

LeetCode Database

SQL problem solving

HackerRank SQL

SQL challenges

Knowledge Vault (Rare Finds & Strategies)

How Database Indexing Really Works

Deep Dive - Query Performance

CAP Theorem Explained with Real Examples

Distributed Systems - Consistency Models

Database Sharding Strategies at Scale

Strategy Guide - Horizontal Scaling

Essential Tools

PostgreSQLMongoDBRedisDBeaverMySQL Workbench