Learn SQL
Learn SQL — the #1 data skill on every job description
A calm, complete SQL path for beginners. Queries, joins, aggregations and window functions — lessons coming soon.
Learning roadmap
A calm, step-by-step path
Modules will be published one by one. Click an available module to start learning.
SQL Basics
Step-by-step lessons, notes, quizzes and practice files.
Filtering & Sorting
Step-by-step lessons, notes, quizzes and practice files.
Joins
Step-by-step lessons, notes, quizzes and practice files.
Aggregations
Step-by-step lessons, notes, quizzes and practice files.
Subqueries & CTEs
Step-by-step lessons, notes, quizzes and practice files.
Window Functions
Step-by-step lessons, notes, quizzes and practice files.
Free resources
Free notes, files, roadmaps and templates
All resources are free inside the VIP community — added continuously.
Notes
Short, revision-friendly notes for every topic.
Practice Files
Real datasets and starter files to practise along.
Roadmaps
Beginner-to-advanced roadmap PDFs you can follow at your pace.
Templates
Ready-made templates to speed up your work.
Practice projects
Build things you can actually show
Real-world practice projects will be added soon.
Project 01
Content will be added soon. Join the VIP community to get notified first.
Project 02
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Project 03
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Project 04
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FAQ
Common questions
Still curious? Ask anything inside the VIP community.
Join the Learn By Sunil VIP WhatsApp Community
Get daily tips, free notes, practice files and doubt-solving — all inside the free VIP WhatsApp community.