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SQL Joins Masterclass™: Basics to Advanced {Join 15 Tables}

SQL JOINS for Data Analytics & Data Science. Learn Complex SQL Queries by Examples with Real-life exercises. Get Hire!

4.45 / 5.0
132 students5 hours 12 minutes

Created by Donatus Obomighie | PhD, MSc, PMP, offered on Udemy

bestcourses score™

Student feedback


To make sure that we score courses properly, we pay a lot of attention to the reviews students leave on courses and how many students are taking a course in the first place. This course has a total of 132 students which left 12 reviews at an average rating of 4.45, which is below the average.

Course length


We analyze course length to see if courses cover all important aspects of a topic, taking into account how long the course is compared to the category average. This course has a length of 5 hours 12 minutes, which is pretty short. This might not be a bad thing, but we've found that longer courses are often more detailed & comprehensive. The average course length for this entire category is 7 hours 54 minutes.

Overall score


This course currently has a bestcourses score of 5.2/10, which makes it an average course. Overall, there are probably better courses available for this topic on our platform.


SQL is a powerful tool for data storage. The ability to analyze the data is a great skill to acquire. What is greater is your ability to use complex SQL queries to fetch out information from multiple tables. That is what this course is all about. In this course, you are going to be acquitted with advanced SQL skills to join multiple tables together and write better reports. This course is going to make Data Analysis (using PostgreSQL) easy for your career advancement.

Everything you will ever need in SQL JOIN for data analytics is covered in this course. This includes but is not limited to:

Types of Join
Cross Join
Inner Join
Left Join
Right Join
Full Join
Natural Join
Self Join

To understand the above and work seamlessly with JOIN the following were first introduced:

Select Distinct
and many more

This course will take to perform join within a single table and joining multiple tables. At the end of this course, you will be able to join any number of tables at a go!


  • This course is not rushed over.
    It starts from the very basics of SQL Join to advanced multiple table join

  • This course is taught by an active data scientist with several years of experience

  • This course is taught by examples with several exercises and solutions

  • You will not only know the theory but learn to build your own report using SQL

  • All the students taught by the instructor have moved higher in their careers

  • No question asked by students is not answered within 48 hours. There is no too simple question or too hard question. All questions are taken very seriously by the instructor

You don't need to take my words for it. See what existing students have to say about my courses:

"This is a great course!  It is deep. The instructor didn't leave any stone unturned. It gave me a better understanding of the more advanced concept. Above all, I love the style of teaching with challenges and solutions." - Paul Min

"It's been an amazing time having to learn and understand how python works." - Ana Gil

"Well explained and easy to understand. This is indeed commendable and I appreciate your efforts." - Joanita Anderson

You can check the comment sections of all my courses and see for yourself.

I am not only confident you will love this course, but I am also confident you will spread the love to others. Hence, we are offering you 30 days' FULL money-back. What are you waiting for? Click Buy now and let's get started.


  • Database administrator

  • Developers

  • Data Scientist

  • Programmer

  • Those with interest in SQL and Data analytics

By the end of this course, you will be very fluent in SQL queries, confident in facing any complex schema and write great reports.

What you will learn

  • Learn to join 1 to 15 tables using SQL
  • Understand advanced and complex SQL Join
  • Create compelling report using SQL
  • Advance your data analytics skill
  • Learn from expert with many exercises and solutions


  • Basic SQL knowledge
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Frequently asked questions

  • Price: $94.99
  • Platform: Udemy
  • Language: English
  • 5 hours 12 minutes
SQL Joins Masterclass™: Basics to Advanced {Join 15 Tables} thumbnail

bestcourses score: 5.2/10

There might be better courses available for this topic.