Learn SQL
Learn SQL — the #1 data skill on every job description.
A calm, complete SQL roadmap for beginners. Query real databases, write clean joins and analyse data like a professional analyst.
What you'll learn
Everything you need to master SQL
Clear outcomes so you always know what you're building toward.
SQL basics
SELECT, WHERE, ORDER BY and how databases actually think.
Joins
INNER, LEFT, RIGHT, FULL — with clear real-world examples.
Aggregations
GROUP BY, HAVING and the analytics patterns interviewers love.
Subqueries & CTEs
Write clean, readable queries for complex problems.
Window functions
Rankings, running totals and moving averages.
Performance basics
Indexes, EXPLAIN plans and writing fast queries.
Roadmap
Beginner to Advanced — the complete path
A calm, structured path so you never feel lost. Move at your own pace.
Beginner
- Databases & tables
- SELECT, WHERE, ORDER BY
- Basic filtering & sorting
- String, date & math functions
Intermediate
- All JOIN types
- GROUP BY, HAVING
- Subqueries & CTEs
- CASE WHEN patterns
Advanced
- Window functions
- Query optimization & indexes
- Analytics interview patterns
- Working with real production schemas
Real-world projects
Build things you can actually show
Every project uses real datasets and real problems — perfect for your portfolio.
E-commerce Analytics
Analyse orders, customers and revenue on a real e-commerce schema.
Netflix-style Dataset
Explore a movies dataset — find trends, top genres and outliers.
HR Analytics on SQL
Attrition, salary bands and department analytics.
Interview Query Kit
20 real analytics interview questions solved step-by-step.
Free notes
Short, clear notes for every topic
Written to be revised quickly — perfect before interviews or projects.
SQL cheat sheet (PDF)
Free inside the VIP community.
Joins visual guide
Free inside the VIP community.
Window functions notes
Free inside the VIP community.
Interview patterns notes
Free inside the VIP community.
Practice files
Learn by doing, not just watching
Real datasets and starter files so you can practise along with every lesson.
Practice database (SQLite)
Free inside the VIP community.
E-commerce schema + data
Free inside the VIP community.
HR schema + data
Free inside the VIP community.
Query practice sets
Free inside the VIP community.
FAQ
Common questions about learning SQL
Still curious? Ask anything inside the VIP community.
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ExploreLearn with a community that actually helps.
Get daily tips, free notes, practice files and doubt-solving — all inside the free VIP WhatsApp community.