A free, hands-on SQL course for Indian students and job-seekers, where you write and run real queries right in your browser (SQLite, no install). Go from SELECT, WHERE and GROUP BY to JOINs, subqueries, CTEs and window functions, with every classic interview question covered: second-highest salary, find duplicates, top-N per group, WHERE vs HAVING, INNER vs LEFT JOIN. Indian datasets, predict-the-output practice, and an InterviewLog you build into a revision sheet. The course and every lesson are free; the verified certificate, with a QR verification link, costs ₹99 (GST included) and is available once you complete 80% of the course.
This free course is built for computer-science and engineering students preparing for placements, college students who picked SQL up in class but never wrote real queries, working professionals (analysts, support, QA) who want to be promoted to data roles, and self-learners chasing data analyst, backend, or product roles. If you have ever Googled free sql course with certificate (india) and bounced off paid-subscription paywalls or content that assumes you already know everything, this is the course for you.
This page is part of our flagship free course, SQL for Data Analysts. The full course is delivered as short, focused lessons, each with bilingual narration (English and Hinglish), interactive practice widgets, and a clear before-and-after so you can feel yourself getting better. You can pause for weeks and pick up exactly where you left off, your progress is saved.
One phone-number signup unlocks every course on Techwave Academy: AI Bootcamp, Python for Class 4 / 6 / 8 / 10 / CBSE 12, Git, Linux, Spoken English, IOI Prep, Foundation Bootcamp, Blind 75, NeetCode 150, Claude Mastery, Tableau, Power BI, SQL, and Excel. Yes, all 18, forever free.
No. Every lesson runs SQLite directly in your browser tab. Type the query, click Run, see the rows, no downloads, no setup, works on a phone.
Yes. Every "must-know" SQL interview pattern is covered as a named lesson, second-highest salary, find duplicates, top-N per group, WHERE vs HAVING, INNER vs LEFT JOIN, employees-and-managers self-join. You write and run them, not just read them.
For the SQL you write in interviews and day-to-day work, the answer is no, SELECT, JOIN, GROUP BY, window functions all behave the same. We call out the few engine-specific differences (e.g. RIGHT JOIN is INNER-emulated in SQLite) where they matter.
About 18 hours over 4 weeks if you do 30-45 minutes a day. The 36-lesson path mirrors a real onboarding plan at a small Indian startup.
Yes. The course and all 36 lessons are free. The verified certificate, with a QR verification link, costs ₹99 (GST included) and is available once you complete 80% of the course.
Click below to open SQL for Data Analysts. You will land on the course dashboard, see the week-by-week plan, and can start Lesson 1 immediately. No trial period, no payment screen, no upgrade pop-ups, ever.