E-Books
SQL Basic to Advance – Complete E-Book: Learn Databases & Queries in Easy Hinglish (45 Pages, 21 Chapters)
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🗄️ Go from zero to confident with SQL — the language behind every app, website and data job. This complete 45-page Hinglish e-book takes you from your very first SELECT query all the way to window functions, transactions and real mini projects, one simple step at a time.
📚 What's Inside the Book?
| Chapter | What You Learn |
|---|---|
| 1. Database aur SQL se Pehli Mulaqat | What databases are, why SQL matters, and how data jobs use it |
| 2. SELECT — Data Nikalna Seekho | Your first queries: fetching columns and rows from a table |
| 3. WHERE — Sahi Data Filter Karo | Filtering rows with conditions, AND/OR, IN, BETWEEN, LIKE |
| 4. ORDER BY aur LIMIT | Sorting results and fetching top records |
| 5. Aggregate Functions | COUNT, SUM, AVG, MIN, MAX with real examples |
| 6. GROUP BY aur HAVING | Group-wise analysis and filtering grouped results |
| 7. JOINs — Tables ko Jodna Seekho | INNER, LEFT, RIGHT, FULL joins explained visually |
| 8. Subqueries | Queries inside queries, step by step |
| 9. Set Operations | UNION, INTERSECT, EXCEPT |
| 10. DDL — Tables Banana | CREATE, ALTER, DROP with practical examples |
| 11. DML — Data Insert/Update/Delete | INSERT, UPDATE, DELETE done safely |
| 12. Constraints | PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL, CHECK |
| 13. Indexes | Speeding up queries the right way |
| 14. Views | Creating and using views for cleaner queries |
| 15. Transactions | COMMIT, ROLLBACK and keeping data safe |
| 16. Window Functions | ROW_NUMBER, RANK, LEAD/LAG with running totals |
| 17. Stored Procedures | Writing reusable SQL logic |
| 18. Query Optimization | Making slow queries fast |
| 19–20. Mini Projects | Two hands-on projects using everything you learned |
| 21. Interview Questions + Cheat Sheet | Top SQL interview Q&A and a quick-reference cheat sheet |
✅ Why You'll Love This
- ✔ Hinglish explanations — technical terms in English, everything explained simply
- ✔ Every concept with a real runnable example
- ✔ Practice questions with answers in every chapter
- ✔ Visual diagrams for JOINs, indexes and query flow
- ✔ Interview questions + cheat sheet for job prep
👤 Who Is This For?
Students, job seekers and working professionals who want to learn SQL from zero to job-ready level for data analyst, backend and software roles.
📥 Instant digital delivery — start learning SQL today!
