Professional Skills Online Live

SQL for Data Analyst

This course is designed to transform you from a complete beginner into a confident SQL practitioner who can write complex queries, manage databases, and contribute to real data pipelines, analytics workflows, and AI-driven projects using PostgreSQL.

5.0 (156 ratings)
297 Total Learners 3 Weeks Professional Tamil

What You'll Learn

  • Set up PostgreSQL from scratch
  • Query & filter data
  • Manipulate data
  • Aggregate & group data
  • Master all types of JOINs
  • Write advanced SQL

Requirements

  • Basic Computer Operating Knowledge
  • No need of previous coding or database knowledge
  • Suitable for both IT and Non-IT domain

Tools & Technologies

PostgreSQL PostgreSQL

Course Description

SQL is the most essential skill in the data world — and this course gives you everything you need to master it, taught in Tamil so nothing gets lost in translation.

Designed for the real demands of modern data careers, this is not just another beginner tutorial. Every concept builds on the last, taking you through a carefully structured path that mirrors how SQL is actually used in data teams and organizations today.

Right for You?

Who This Course is For

  • Freshers & Students — Just starting out in data and want a solid SQL foundation to land your first data role.
  • Working Professionals — Already in IT or analytics and looking to upskill in SQL for data engineering, BI, or AI workflows.
  • Tamil-Speaking Learners — Anyone who learns better in Tamil and wants a structured, high-quality course in their native language.
  • Career Switchers — Coming from a non-data background and aiming to transition into roles like Data Analyst, Data Engineer, or ML Engineer.

Course Curriculum

5 modules • 17 lessons
Module 1: Introduction & Setup 2 lessons • 35m
  • Course Introduction 2m
  • Fundamentals, Download, Install, Create Server, Database and Table 33m
Module 2: Data Retrieval & Filtering 4 lessons • 40m
  • Data Retrieval - Select 13m
  • Data Filter - Where 17m
  • Logical Operations 9m
  • Wildcard Filters 11m
Module 3: Data Manipulation 3 lessons • 1h 31m
  • Data Manipulation - Text Functions 39m
  • Data Manipulation - Numerical Functions 22m
  • Data Manipulation - Date Time Functions 30m
Module 4: Aggregation & Joins 3 lessons • 1h 12m
  • Aggregate and Group By Functions 25m
  • Joins - Cartesian/Cross, Inner, Left, Right, Full, Outer, Self 36m
  • CRUD Operations 24m
Module 5: Advanced SQL 5 lessons • 2h 33m
  • Sub Query 16m
  • Nested Query 9m
  • Common Table Expressions 11m
  • Window Functions 38m
  • Regular Expression 78m
Our Advantage

Why Choose This Course

  • Taught in Tamil — Learn complex SQL concepts in your native language, making it easier to grasp and retain.
  • Beginner to Advanced in One Place — No need to jump between resources; everything from basics to Window Functions and CTEs is covered end to end.
  • Built for Data Careers — Designed specifically for Data Analysts, Data Engineers, BI Analysts, and AI practitioners — not just generic SQL learners.
  • Hands-on with Real Tools — Practice with PostgreSQL and pgAdmin, the same tools used in real-world data jobs.

Your Instructors

Leelavathi Ramesh

Leelavathi Ramesh

Business Intelligence Analyst

16 Courses

4+ years of experience as a Business Intelligence Analyst, with hands-on expertise at Variablz Technology and Schneider Electric. Statistics graduate with practical experience across Marketing, Production, and Sales Analytics.

Parthiban Kannan

Parthiban Kannan

Co-founder & Manager

24 Courses

14+ years of experience in digital transformation, leading teams of 15+ members and delivering 160+ projects for organizations like Lakshmi Machine Works, Milacron, Schneider Electric, Aatomz Research, and Variablz Technologies. AI innovator with a patent approved by the Government of India, with strong expertise in Data Science, Data Analysis, Business Intelligence, and Software Development.

FAQ

Frequently Asked Questions

Is this course free or paid?

This course is available on YouTube completely free of charge. No registration, no subscription u2014 just open and start learning.

What are the system requirements to follow this course?

Any laptop or desktop running Windows, macOS, or Linux will work. PostgreSQL and pgAdmin are lightweight tools that run smoothly on most machines.

Do I need to know programming before starting this course?

No programming knowledge is required. SQL is its own language and this course starts from absolute zero u2014 no Python, no coding background needed.

How long will it take to complete this course?

The full course is approximately 7 hours of video content. With practice time included, most learners can complete it comfortably over a weekend or across 1u20132 weeks.

Will this course help me crack data job interviews?

Yes. The topics covered u2014 Joins, Subqueries, Window Functions, and CTEs u2014 are among the most frequently tested concepts in data analyst and data engineer interviews.

Is PostgreSQL used in real companies?

Absolutely. PostgreSQL is one of the most widely used open-source databases in the industry, trusted by startups and large enterprises alike for production-level data work.

Can I follow this course on a mobile phone?

You can watch the video on mobile, but for hands-on practice you will need a laptop or desktop to install PostgreSQL and run queries.

Will there be more advanced courses after this?

Yes. This course is part of a larger learning path covering Python, data engineering, analytics, and AI u2014 subscribe to the channel to stay updated on new releases.

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