Tech IT SolutionSQL
Become a database expert — Master SQL for querying, designing, optimizing, and managing relational databases used in real-world applications
Why join this course
SQL is the most universal data skill. Learn to query, join, aggregate and analyze data, design databases, and optimize queries with advanced SQL, ready for analyst, developer and data roles.
Job-relevant stack
Learn SQL, MySQL and PostgreSQL, the tools teams actually hire for.
Build real projects
Every module ends with hands-on work that goes into your portfolio.
Professional workflow
Git, GitHub, debugging and deployment practices used on real teams.
Universal skill
Needed by analysts, developers and data scientists alike.
By the end you will be able to
- SQL Basics: SELECT, WHERE, ORDER BY, LIMIT
- Joins (INNER, LEFT, RIGHT, FULL, CROSS), Subqueries & CTEs
- Aggregate Functions, GROUP BY, HAVING, Window Functions
- Database Design: Normalization, ER Diagrams, Constraints
- DDL, DML, DCL, TCL, Indexes & Performance Tuning
- Advanced SQL: Recursive Queries, Pivoting, JSON Handling
- 200+ Practice Problems & 5+ Real-world Database Projects
Who is this course for?
Add a job-ready skill next to your degree or diploma.
Upskill for a promotion, a better role or a career switch.
Use these skills to deliver client work or run your own business better.
Curriculum overview
5 modules, explained in detail. Open a module to see exactly what is inside.
1SQL Fundamentals9 topics
Learn relational databases and write your first SELECT queries.
What is inside
- Relational databases overview
- SQL vs NoSQL
- Installing MySQL/PostgreSQL
- Basic SELECT
- Filtering (WHERE, AND/OR/NOT)
- Sorting (ORDER BY)
- Limiting results (LIMIT/OFFSET)
- DISTINCT
- NULL handling
2Joins, Subqueries & Set Operations8 topics
Combine tables with joins, subqueries and set operations.
What is inside
- INNER JOIN
- LEFT/RIGHT/FULL OUTER JOIN
- CROSS JOIN
- Self-join
- UNION/UNION ALL/INTERSECT/EXCEPT
- Subqueries (scalar, correlated, IN/EXISTS)
- Common Table Expressions (CTE)
- WITH clause
3Aggregation & Advanced Analysis10 topics
Summarize data with aggregates, GROUP BY and window functions.
What is inside
- COUNT
- SUM
- AVG
- MIN/MAX
- GROUP BY
- HAVING
- ROLLUP/CUBE/GROUPING SETS
- Window functions (ROW_NUMBER, RANK, DENSE_RANK, NTILE, LAG/LEAD, FIRST_VALUE)
- OVER clause
- Partitioning
4Database Design & Administration8 topics
Design and manage databases: DDL, keys, constraints and normalization.
What is inside
- DDL (CREATE, ALTER, DROP)
- Data types
- Primary/foreign keys
- Unique/check constraints
- Indexes (B-tree, hash, composite)
- Normalization (1NF-3NF-BCNF)
- Denormalization trade-offs
- ER diagrams
5Advanced SQL & Optimization10 topics
Advanced SQL: CTEs, stored procedures, dynamic SQL and optimization.
What is inside
- Recursive CTEs (hierarchies, trees)
- PIVOT/UNPIVOT
- Dynamic SQL
- Stored procedures & functions
- Triggers
- Transactions (ACID, COMMIT/ROLLBACK/SAVEPOINT)
- Query optimization
- EXPLAIN/ANALYZE
- Performance tuning
- 5+ projects (E-commerce Database, HR System, Sales Analytics, Library Management, Inventory Tracker...)
What you will build
Real work for your portfolio, not just exercises.
Sales database analysis
Answer business questions with SQL.
Database design project
ER model to tables and constraints.
Query optimization challenge
Speed up slow queries with indexes.
Tools you will use
How you will learn
Career outcomes
Roles this course prepares you for:
- Resume & LinkedIn profile building
- Portfolio and project review
- Mock interviews with IT leads
- Hiring-partner drives and referrals
Certificate, batches & details
W Tech Course Completion Certificate
Issued after you pass the final evaluation of the course.
Flexible batches
Morning, afternoon, evening and weekend batches. Classroom at GTB Nagar or live online.
Course at a glance
| Duration | 5 months |
|---|---|
| Level | Beginner to Advanced |
| Mode | Classroom (GTB Nagar, Delhi) & live online |
| Teaching format | Live Sessions |
| Prerequisites | No prior experience needed. We start from the basics and build up step by step. |
| Batches | Weekday morning / afternoon / evening & weekend |
| Certificate | W Tech Course Completion Certificate |
| Fees | Call or WhatsApp for the current fee · EMI options available |
Frequently asked questions
Who can join SQL?
No prior experience needed. We start from the basics and build up step by step. Students, graduates, job seekers and working professionals are all welcome.
How long is the course and what are the batch timings?
The course runs for 5 months. We run weekday morning, afternoon and evening batches plus weekend batches for college students and working professionals.
Are classes online or in the classroom?
Both. Attend live in our GTB Nagar (Delhi) classroom or join live instructor-led online classes from anywhere in India. Sessions are recorded, and you can switch between modes.
What certificate will I receive?
W Tech Course Completion Certificate, awarded after you pass the final evaluation.
Will I work on real projects?
Yes. Most of the training is hands-on labs and guided projects, and you finish with work you can show in your portfolio.
What jobs can I apply for after this course?
Typical roles include SQL Developer, Data Analyst, Database Executive. Your outcome depends on your skills, portfolio and interview performance, and our placement team supports you at every step.
Do you help with placement?
Yes. We help with resume and LinkedIn profiles, portfolio review, mock interviews and hiring-partner drives. This is placement assistance, not a job guarantee.
What is the fee, and is EMI available?
Fees depend on the batch and mode. Call or WhatsApp us for the current fee and flexible EMI / installment options.
Can I attend a free demo class first?
Yes. Book a free demo class to meet the mentors and see how the training works before you enrol.
Related courses
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