Comprehensive SQL Course For Data Professionals — 93% Off Coupon

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

⭐ 4.8 out of 5(6,601 students enrolled)Created by Ramesh RetnasamyLast updated: 🌐 English

Course Overview - Key Takeaways

The following summarizes all verified data points for this course, including pricing, duration, instructor, and coupon validity. All data is sourced directly from Udemy and verified by CourseSpeak on .

•Course Title: Comprehensive SQL Course For Data Professionals
•Provider: Udemy (listed via CourseSpeak)
•Instructor: Ramesh Retnasamy
•Coupon Verified On: July 4, 2026
•Difficulty Level: Advanced
•Category: Business
•Subcategory: SQL
•Duration: 13h 30m of on-demand video
•Language: English
•Access: Lifetime access to all course lectures and updates
•Certificate: Official certificate of completion issued by Udemy upon finishing all course requirements
•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.
•Price: $9.99 with coupon / Regular Udemy price: $149.99. Applying this coupon saves you $140.00 (93% OFF).
•Coupon: Click REDEEM COUPON below to apply discount
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What You'll Learn

This course gives you the following verified skills and competencies in Business:

✓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

The following background knowledge and tools are recommended before starting this course. Students without these prerequisites may still enroll but should expect a steeper learning curve:

•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

The following is the full official course description as published on Udemy by instructor Ramesh Retnasamy. It covers the curriculum structure, teaching methodology, and topic scope for this Business course:

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Course Comparison

Compare features side by side to find the best course for your needs.

FeatureCURRENT
ProviderUdemyUdemy
Price
$9.99$149.99-93%
$9.99$199.99-95%
Rating
4.8(6.6k)
4.8(7.5k)
Duration13h 30m16h
CouponJUL202...JULIO-...
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Is the Comprehensive SQL Course For Data Professionals Coupon Worth It?

Expert review by Josh Smith, Lead Course Reviewer at CourseSpeakUpdated Jul 4, 2026

Based on analysis of the curriculum structure, student engagement metrics, and verified rating data, this is a high-value resource for learners seeking to build skills in Business. Taught by Ramesh Retnasamy on Udemy, the 13h 30m course provides a structured progression from foundational concepts to advanced techniques— making it suitable for learners at all levels. The current coupon reduces the price by 93%, from $149.99 to $9.99, removing the primary financial barrier to enrollment.

Pros

  • ✓Verified 93% price reduction.
  • ✓High learner satisfaction (4.8/5).
  • ✓Trusted by 6,601 students.
  • ✓Certificate + lifetime access.

Cons

  • !May be challenging for absolute beginners.
  • !Lifetime access depends on Udemy.
  • !Projects & quizzes need extra time.
JS
Josh Smith
Lead Course Reviewer
Credentials →

"Given the 93% price reduction and verified 4.8-star rating, Comprehensive SQL Course For Data Professionals is a strong value in Business on Udemy. Enrollment recommended while the coupon is active."

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Final Verdict: Worth It
Exceptional value with current pricing
New to redeeming coupons? Visit our step-by-step guide for detailed instructions on how to apply coupon codes.Coupon last verified July 4, 2026.Udemy coupons are time-limited — redeem as soon as possible.

Course Rating Summary

This course holds an aggregate rating of 4.8 out of 5 based on 6,601 student reviews on Udemy. The distribution below shows the approximate percentage of students who gave each star rating.

4.8
6,601 Verified Ratings
5 stars
75%
4 stars
15%
3 stars
6%
2 stars
2%
1 star
2%

* Rating distribution is approximated from the aggregate score. Sourced from Udemy. Last verified: July 4, 2026.

Instructor Profile

Background information on Ramesh Retnasamy, the instructor responsible for this course on Udemy.

RR
Ramesh Retnasamy
Udemy Instructor
Full Profile ↗
Subject Area
Business
Total Students
6,601+ enrolled
Rating
4.8 / 5.0
Course Duration
13h 30m
Teaching Approach
Practical, project-based instruction focused on real-world application of Business skills. This course provides structured progression from foundational concepts to advanced techniques.

Frequently Asked Questions

The following questions and answers cover the most common queries about this course, its coupon code, pricing, and enrollment process. All answers are based on verified data from Udemy as of July 4, 2026.

About the Author

Josh Smith
Josh Smith
Udemy Coupon Specialist

8+ years finding and verifying the best Udemy deals. Helped thousands of students save on premium courses through curated coupon codes and exclusive discounts.

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