SQL: From Zero to Confident Queries
Every application students will ever build sits on a database. This workshop starts with what a database actually is — then builds up through SELECT, filtering, joins and grouping until they can answer real questions about real data in SQL. Every query on the page runs live in the browser.
SELECT · JOIN · GROUP BY
From first query to real analysis
3
Days, ~4.5 hrs each
16
Hands-on sessions
50+
Practice queries
₹0
Tooling cost (MySQL is free)
Students who can read data, not just store it
Most SQL teaching is a tour of keywords: here is SELECT, here is JOIN, memorise the syntax. Students pass the paper and then freeze the first time someone asks them a real question about a real table. We teach it the other way round — each session opens with a question you genuinely cannot answer yet, and the syntax arrives as the answer.
- ✓Who it's for: second-year onwards, any branch. No programming background is assumed.
- ✓Format: on-campus or blended, ~4.5 hours a day, with breaks and live query time.
- ✓Setup: MySQL or PostgreSQL, both free — and every lab on this page runs in the browser, so a locked-down lab is no obstacle.
- ✓Built for placements: SQL is asked in almost every technical interview, and the syllabus maps to university DBMS papers too.
What students walk out able to do
Read a schema
And know which tables answer which question
Query with confidence
SELECT, WHERE, ORDER BY, LIMIT
Join tables
Inner, left, and knowing which one you need
Summarise data
GROUP BY, HAVING, and the golden rule
Go further
Subqueries and window functions
Design & tune
Normalisation, keys, indexes, transactions
Query one table → bring tables together → answer questions nobody asked yet
Each day builds directly on the last, ending with questions students answer on their own.
Every session, in detail
The complete teaching material students work through — the question first, then the concept, queries they can run right here, the mistakes everyone makes, and practice problems with solutions.
All 3 days published — 16 sessions
Projector-friendly slideshow — one session per slide. Use ← → to navigate.
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