Best SQL Courses Online, Are you looking for the best free SQL courses available on the internet?

If you answered yes, this post is for you. The 12 Best Free SQL Courses Online are listed in this article. You do not need to pay for any of the courses because they are all free.

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Best SQL Courses Online

Let’s start course details,

1. SQL for Data Analysis– Udacity

This is a fully free course that teaches you how to use SQL to extract and analyze data from databases. In this course, data analysis is done using SQL. To begin, you’ll learn SQL fundamentals such as data extraction, SQL joins to join tables and SQL aggregations.

Then you’ll learn how to use subqueries, temp tables, and window functions to do complicated analyses and manipulations.

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2. Introduction to Databases and SQL Querying– Udemy

This SQL course is absolutely free. This course will teach you how to query a database, how to construct tables and databases, and how to use basic SQL queries.

After finishing this course, you will be able to write simple queries including Dates, String manipulation, Aggregation, and other topics.

More advanced and complex queries will not be covered in this course.

3. Intro to Relational Databases– Udacity

You’ll study the fundamentals of SQL and database design, as well as how to use the Python API to connect Python code to a database, in this Free Course.

You’ll also learn how to safeguard your database-driven web programs from typical security issues. This course will also cover normalized design, which makes writing good database code much easier.

You’ll learn how to use SQL join operators to quickly connect data from separate tables at the end of this course.

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4. SQL for Data Science– Coursera

On Coursera, this is a free-to-audit course. That is, you can access the course materials for free, but you must pay for the certificate.

This course will teach you the essentials of SQL and how to interact with data so that you can start analyzing it for data science applications.

You will study the SQL basics at the start of the course, assuming you have no prior experience or expertise in SQL.

Following that, you’ll construct both simple and complicated queries to assist you in selecting data from tables and beginning to interact with different forms of data, such as strings and numbers.

This course will also show you how to make a table and how to populate it with data. You will study common operators and use case statements, as well as concepts like data governance and profiling, at the end of this course.

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

On Coursera, this is a free-to-audit course. That is, you can access the course materials for free, but you must pay for the certificate.

You’ll work through the installation stages at the start of the course, which include installing a text editor and MAMP or XAMPP. Then you’ll learn single table queries and the SQL language’s basic syntax.

Database design with multiple tables, foreign keys, and the JOIN function will also be covered in this course. You will learn how to model many-to-many relationships, such as those needed to represent users, roles, and courses, by the end of this course.

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6. Databases and SQL for Data Science– Coursera

On Coursera, this is a free-to-audit course. That is, you can access the course materials for free, but you must pay for the certificate.

This course explains relational database ideas and teaches you how to learn and utilize the SQL language. This course is designed to be hands-on and practical.

You will work with actual databases, real data science tools, and real-world datasets in this course.

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

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7. Oracle SQL – A Complete Introduction– Udemy

This is easy-to-follow training for beginners. This course will teach you the fundamentals of SQL on an Oracle database.

This course will show you how to set up your Oracle environment, how to use a SELECT statement to read data, and what you can accomplish with a SELECT statement.

Functions, Data Types, Joins, Set Operators, Subqueries, Inserting, Updating, and Deleting Data, and Creating Tables will all be covered.

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8. Advanced Databases and SQL Querying– Udemy

This is a TSQL Querying Advanced course. Views, Triggers, Dynamic Queries, and other advanced concepts will be covered in this course.

This course is not for you if you are a beginner. Because you must have worked with SQL server and know how to query using management studio in order to take this course.

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9. Intro to SQL– Kaggle

On Kaggle, you can take a free SQL course. In this course, you’ll learn how to utilize the keywords SELECT, FROM, and WHERE to extract data from specific columns based on conditions, as well as how to access and examine BigQuery databases.

Following that, you’ll be introduced to three new techniques: GROUP BY, HAVING, and COUNTING (). This course will also show you how to utilize the ORDER BY clause to change the order of your results.

You will learn how to organize your query for improved readability and merge data sources at the end of this course.

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10. Advanced SQL– Kaggle

Another free Kaggle course to learn advanced SQL is this one. You’ll learn about a couple more forms of JOINs in this course, as well as how to utilize UNIONS to gather data from many tables.

This course will also teach you how to create analytic functions that act on a set of rows, as well as how to query nested and repeated data.

You will be able to write queries that execute faster and consume less data by the end of this course.

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11. A Beginners Guide to SQL– Udemy

You will learn how to communicate with relational databases using SQL in this free beginner-friendly SQL course. You will experience manipulating data and creating queries that connect with several tables throughout this course.

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12. Oracle SQL Basics– Coursera

On Coursera, this is a free-to-audit course. That is, you can access the course materials for free, but you must pay for the certificate.

This course will teach you about table design and how to make a simple table, as well as how to change an existing table.

Then you’ll study SQL Fundamentals, including the architecture of a SQL statement, how to put data into a table, how to alter existing data, and how to delete data.

You will learn about index designs and how to use them in Oracle at the end of this course.

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Conclusion

We hope you find these 12 Best Free SQL Courses Online useful in your SQL learning. Our goal is to give you the best learning resources.