Comprehensive SQL Course For Data Professionals — 92% Off Coupon

Become a Confident SQL Developer by Developing a Real World Project using SQL and Solving 120+ SQL Coding Exercises

4.7 5,555 students enrolledCreated by Ramesh RetnasamyLast updated: 🌐 English

Course Overview — Key Details

A quick-reference summary of the most important course details: provider, instructor, difficulty, duration, and what the coupon covers.

Course Title: Comprehensive SQL Course For Data Professionals
Provider: Udemy (listed via CourseSpeak)
Instructor: Ramesh Retnasamy
Coupon Verified On: January 12, 2026
Difficulty Level: Advanced
Category: Business
Subcategory: SQL
Duration: 13h 30m of on-demand video
Language: English
Access: Lifetime Access · Mobile & TV compatible
Certificate: Certificate of completion included
Top Learning Outcomes: You will learn how to create database tables, alter an existing table and drop a table that's not required using SQL · You will learn how to query data from a table, apply transformations using functions, filter and sort the data returned using SQL · You will learn how to join multiple tables, summarise the data as required to produce summaries using SQL
Prerequisites: No prior SQL or programming experience necessary. I will start from the basics and also provide detailed step-by-step instructions · No database installation required. We use the database provided by the Udemy Platform. So, any device that you are using to take the course is sufficient.
Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

Skills and competencies you'll gain from this Udemy course:

You will learn how to create database tables, alter an existing table and drop a table that's not required using SQL .
You will learn how to query data from a table, apply transformations using functions, filter and sort the data returned using SQL .
You will learn how to join multiple tables, summarise the data as required to produce summaries using SQL .
You will learn how to use sub queries and common table expressions to implement complex logic using SQL .
You will learn how to create and work with views to simplify complex solutions using SQL .
Using SQL, you will learn how to use window functions to carry out complex data analysis with ease .
Using SQL, you will learn how to design and implement a database for a real world project .
You will learn how to write SQL queries required to satisfy the requirements for a real world project.

Course Requirements & Prerequisites

Background knowledge or tools recommended before starting this course:

No prior SQL or programming experience necessary. I will start from the basics and also provide detailed step-by-step instructions
No database installation required. We use the database provided by the Udemy Platform. So, any device that you are using to take the course is sufficient.

About This Udemy Course

Full course description including curriculum, tools covered, and learning methodology:

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About the Instructor

This course is taught by Ramesh Retnasamy. For full instructor bio, credentials, and other courses they teach, visit the instructor profile on Udemy.

Instructor: Ramesh Retnasamy
Field: Business
Teaching Style: Practical, project-based learning (as described in course curriculum)

Is the Comprehensive SQL Course For Data Professionals Coupon Worth It?

Comprehensive SQL Course For Data Professionals is a business course offered on Udemy by instructor Ramesh Retnasamy, spanning 13h 30m of on-demand content. It holds a 4.7/5 rating from over 5,555 enrolled students.

Through CourseSpeak, you can access this course with a 92% discount coupon. The coupon was last verified on January 12, 2026. Udemy coupons are time-limited and claimed on a first-come basis — we recommend redeeming as soon as possible.

New to redeeming coupons? Visit our How to Redeem Udemy Coupon on CourseSpeak for detailed instructions on how to apply coupon codes.

✓ Our Take: Based on the rating (4.7/5) and enrollment numbers (5,555 students), this course appears well-regarded in its category. Use the coupon to access it at a significantly reduced price — and judge for yourself using Udemy's 30-day money-back guarantee.

Course Rating Summary

Aggregate rating data sourced from Udemy as of January 2026. For individual student reviews, visit the course page directly.

4.7
5,555 ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is estimated. For exact per-star counts, visit the Udemy course page.

Frequently Asked Questions

Common questions about enrollment, course access, certification, and how to use the coupon:

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