Query fundamentals
Getting the rows you actually want.
- SELECT, WHERE and ORDER BY
- Filtering with IN, BETWEEN and LIKE
- Handling NULLs correctly
- DISTINCT and why it hides problems
Noida / Delhi NCR • 6 weeks
SQL Course in Noida
SQL is the one skill that appears in nearly every analyst job posting. This course is built for analysts, not developers — you spend your time answering business questions against a real database, not memorising syntax.
Curriculum
What you will learn
Aggregation and grouping
Turning rows into answers.
- COUNT, SUM, AVG, MIN, MAX
- GROUP BY and HAVING
- The difference between WHERE and HAVING
- Common aggregation mistakes
Joins
The topic interviews actually test.
- INNER, LEFT, RIGHT and FULL joins
- Joining more than two tables
- Why a join can multiply your rows
- Self joins and anti joins
Advanced querying
What separates an analyst from a beginner.
- CTEs for readable queries
- Subqueries and when to avoid them
- Window functions: ROW_NUMBER, RANK, LAG
- Stored procedures and views
Free demo class
Try a class before you enrol.
The demo below is our XLOOKUP class — pulling data from another table, which is exactly the idea behind a SQL join. Dedicated SQL lessons are being added.
Introduction
Chapter 1 of 7
Narration uses your browser's built-in voice — captions carry the full script, so the lesson works with sound off too.
Outcomes
What you can do afterwards
- Answer a business question in SQL without asking for an extract
- Use the right join and know why the row count changed
- Write window functions for running totals and rankings
- Structure long queries with CTEs so others can read them
Who it is for
Is this course right for you?
- Aspiring and working data analysts
- MIS professionals pulling data manually today
- Freshers preparing for analyst interviews
- Anyone who depends on someone else to run queries
FAQ
SQL Course in Noida — common questions
Which database do you teach SQL on?
Microsoft SQL Server, with notes on the small syntax differences in MySQL and PostgreSQL. The concepts transfer to all of them.
Do I need programming knowledge for SQL?
No. SQL is closer to writing a structured question than to programming, and we start from the first SELECT.
Are window functions covered?
Yes. ROW_NUMBER, RANK, LAG and LEAD get a full module, because they come up constantly in analyst interviews.
Will I practise on a real database?
Yes, a realistic multi-table business database, not toy two-row examples.
How long is the SQL course in Noida?
Six weeks, with weekday evening and weekend batches available.
Still deciding?
Book a free demo class, meet the trainer and see the curriculum before you pay anything.
Book My Free Demo →