12 Best Free SQL Courses Online You Must Know

Aqsazafar
7 min readFeb 1, 2022

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Are you looking for Best Free SQL Courses Online?… If yes, then this article is for you. In this article, you will find the 12 Best Free SQL Courses Online. All the courses are free and you don’t need to pay for any course.

So without any further ado, let’s get started-

Best Free SQL Courses Online

1.SQL for Data Analysis– Udacity

Time to Complete- 4 Weeks

Best For- Beginners

This course is completely free and covers SQL to extract and analyze data stored in databases. SQL is used to perform data analysis in this course. First, you will learn SQL basics like how to extract data, SQL joins to join tables, and SQL aggregations.

Then you will learn how to perform complex analysis and manipulations using subqueries, temp tables, and window functions.

You Should Enroll if-

  • You have general familiarity working with data in spreadsheets.

Interested to Enroll?

If yes, then start learning- SQL for Data Analysis

2. SQL for Data Science– Coursera

Rating- 4.6/5

Time to Complete- 14 hours

Best For- Beginners

This is a Free to Audit course on Coursera. That means you can access the course material free of cost but for the certificate, you have to pay.

In this course, you will understand the fundamentals of SQL and work with data so that you can begin analyzing it for data science purposes.

At the beginning of the course, you will learn the SQL basics and assume you do not have any knowledge or skills in SQL. After that, you will write both simple and complex queries to help you select data from tables and start to work with different types of data like strings and numbers.

This course will also teach you how to create a table and how to move data into them. At the end of this course, you will learn common operators and use case statements and concepts like data governance and profiling.

You Should Enroll if-

  • You are a beginner and want to learn SQL for Data Science.

Interested to Enroll?

If yes, then start learning- SQL for Data Science

3. Introduction to Databases and SQL Querying– Udemy

Rating- 4.5/5

Time to Complete- 2hr 17min

Best For- Beginner

This is a completely free SQL Course. In this course, you will learn how to query a database, how to create Tables and Databases, and how to be proficient with basic SQL querying.

After completing this course, you will be comfortable writing simple queries including queries related to Dates, String manipulation, Aggregation, etc.

This course will not cover more advanced and complex queries.

You Should Enroll if-

  • You are a beginner with absolutely no experience in databases.

Interested to Enroll?

If yes, then start learning- Introduction to Databases and SQL Querying.

4. Intro to Relational Databases– Udacity

Time to Complete- 4 weeks

Best For- Intermediate learner

In this Free Course, you will learn the basics of SQL and database design, as well as the Python API for connecting Python code to a database.

You will also learn how to protect your database-backed web apps from common security problems. This course will also teach about normalized design, which makes it easier to write effective code using a database.

At the end of this course, you will learn how to use the SQL join operators to rapidly connect data from different tables.

You Should Enroll if-

  • You can read and write basic code in Python.

Interested to Enroll?

If yes, then start learning-Intro to Relational Databases

5. Introduction to Structured Query Language (SQL)– Coursera

Rating- 4.8/5

Time to Complete- 16 hours

Best For- Intermediate Learner

This is a Free to Audit course on Coursera. That means you can access the course material free of cost but for the certificate, you have to pay.

At the beginning of the course, you will work through the installation steps including installing a text editor, installing MAMP or XAMPP. Then you will learn single table queries and the basic syntax of the SQL language.

This course will also cover database design with multiple tables, foreign keys, and the JOIN operation. At the end of this course, you will learn how to model many-to-many relationships like those needed to represent users, roles, and courses.

You Should Enroll if-

  • You have some previous programming knowledge.

Interested to Enroll?

If yes, then start learning- Introduction to Structured Query Language (SQL)

6. Advanced Databases and SQL Querying– Udemy

Rating- 4.5/5

Time to Complete- 3hr 21min

Best For- Intermediate Learner

This is an advanced TSQL Querying course. In this course, you will learn advanced concepts like Views, Triggers, Dynamic Queries, etc.

If you are a beginner, then this course is not for you. Because for this course, you must have worked with SQL server and know how to query using management studio.

You Should Enroll if-

  • You are comfortable writing TSQL code and must know basic syntax like SELECT, INSERT, UPDATE, etc.

Interested to Enroll?

If yes, then start learning- Advanced Databases and SQL Querying

7. Databases and SQL for Data Science with Python– Coursera

Rating- 4.7/5

Time to Complete- 20 hours

Best For- Beginner

This is a Free to Audit course on Coursera. That means you can access the course material free of cost but for the certificate, you have to pay.

This course introduces relational database concepts and helps you learn and apply foundational knowledge of the SQL language. This course is based on hands-on and practical learning. In this course, you will work with real databases, real data science tools, and real-world datasets.

This course will also teach you how to access databases from Jupyter notebooks using SQL and Python.

You Should Enroll if-

  • You are a beginner with no prior knowledge of databases, SQL, Python, or programming.

Interested to Enroll?

If yes, then start learning- Databases and SQL for Data Science with Python

8. Oracle SQL — A Complete Introduction– Udemy

Rating- 4.5/5

Time to Complete- 4hr 40min

Best For- Beginner

This is a beginner-friendly course. In this course, you will learn the basics of the SQL language on an Oracle database. This course will teach how to set up your Oracle environment, how to read data using a SELECT statement, and what can be done using a SELECT statement.

Along with that, you will learn Functions, Data Types, Joins, set operators, subqueries, Inserting, updating, deleting data, and Creating tables.

You Should Enroll if-

  • You are a beginner and want to learn Oracle SQL.

Interested to Enroll?

If yes, then start learning- Oracle SQL — A Complete Introduction

9. Intro to SQL– Kaggle

Time to Complete- 3 hours

Best For- Beginners

This Free SQL Course is available on Kaggle. In this course, you will basics of accessing and examining BigQuery datasets and use the keywords SELECT, FROM, and WHERE to get data from specific columns based on conditions.

After that, you will learn about three new techniques: GROUP BY, HAVING, and COUNT(). This course will also teach how to change the order of your results using the ORDER BY clause.

At the end of this course, you will learn to organize your query for better readability and combine data sources.

You Should Enroll if-

  • You are a beginner and want to learn SQL Basics.

Interested to Enroll?

If yes, then start learning- Intro to SQL

10. Advanced SQL– Kaggle

Time to Complete- 4 hours

Best For- Intermediate Learners

This is another Free Kaggle Course to learn advanced SQL. In this course, you will learn a few more types of JOIN, along with how to use UNIONs to pull information from multiple tables.

This course will also cover how to define analytic functions, which also operate on a set of rows, and how to query nested and repeated data.

At the end of this course, you will write queries to run faster and use less data.

You Should Enroll if-

  • You have prior knowledge of SQL basics.

Interested to Enroll?

If yes, then start learning- Advanced SQL

11. Oracle SQL Basics– Coursera

Rating- 4.8/5

Time to Complete- 7 hours

Best For- Beginner

This is a Free to Audit course on Coursera. That means you can access the course material free of cost but for the certificate, you have to pay.

In this course, you will learn Table Design and how to create a simple table, and look at ways to modify the existing table. Then you will learn the SQL Basics and look at the anatomy of an SQL statement, explore inserting data into a table, modifying existing data, and look at the delete statement.

At the end of this course, you will learn Index designs and how are they utilized in Oracle.

You Should Enroll if-

  • You are a beginner and want to learn Oracle SQL.

Interested to Enroll?

If yes, then start learning- Oracle SQL Basics

12. A Beginners Guide to SQL– Udemy

Rating- 4.3/5

Time to Complete- 57min

In this Free Beginner-friendly SQL course, you will learn how to communicate with relational databases through SQL. Throughout this course, you will practice how to manipulate data and build queries that communicate with more than one table.

You Should Enroll if-

  • You are a beginner and want to learn SQL Basics.

Interested to Enroll?

If yes, then start learning- A Beginners Guide to SQL

That’s all!

These are the 12 Best Free SQL Courses Online. Now, it’s time to wrap up.

Conclusion

I hope these 12 Best Free SQL Courses Online will help you to learn SQL. I aim to provide you with the best resources for Learning. If you have any doubts or questions, feel free to ask me in the comment section.

All the Best!

Happy Learning!

NOTE- Some of the links in the post are Affiliate Links. This means if you click on the link and purchase the course, I will receive an affiliate commission at no extra cost to you😊.

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Aqsazafar
Aqsazafar

Written by Aqsazafar

Hi, I am Aqsa Zafar, a Ph.D. scholar in Data Mining. My research topic is “Depression Detection from Social Media via Data Mining”.

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