2023's Top  5  Bestselling Online SQL Courses and Certifications that are Completely Free

2023's Top 5 Bestselling Online SQL Courses and Certifications that are Completely Free

SQL FOR DATA SCIENCE

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Are you seeking the Best Free SQL Courses and Certifications Available Online? Look No Further!, This blog is for you. Discover the Best Free Online SQL Courses and Certifications. All these courses are free. Start Your Learning Journey Now!"

1. SQL for Data Analysis โ€“ Udacity

Duration of Completion - 4 weeks

Ideal for - Graduates and Novice professionals

This free course offers a comprehensive study of SQL for Data Analysis. SQL is the focal point for extracting and analyzing stored database data. The course starts with the fundamentals, such as data extraction and SQL joining techniques and then advances to SQL aggregation and further enhances your Data Analysis skills.

Finally, you will be taken to topics such as tackling complex analyses and manipulations using subqueries, temporary tables, and window functions.

Ideal for:-

  • Who possess basic knowledge and experience working with data in MS Excel

Would You Like to Enroll? :

If you are ready to start learning, enroll now! - SQL for Data Analysis

2. SQL for Data Science โ€“ Coursera

Duration of Completion - 14 hours

Ideal for - Graduates and Novice professionals

rating - 4.5

This course on Coursera is free to audit, meaning that you can access the course material without any cost. However, if you want a certificate, you'll have to pay a fee. The course covers the fundamentals of SQL and helps you work with data to start analyzing it for data science. You'll learn everything from the basics of SQL, even if you have no prior knowledge or skills in this area.

The course will start by teaching you SQL basics and then you'll write simple and complex queries to select data from tables and work with different types of data such as strings and numbers. Additionally, you'll learn how to create tables and move data into them.

By the end of the course, you'll be familiar with common operators, use case statements, and concepts such as data governance and profiling. This course provides a comprehensive understanding of SQL and its applications in data science.

Ideal for: -

  • A beginner in Data Science and SQL.

Would You Like to Enroll? :

If you are ready to start learning, enroll now! - SQL for Data Science

3. Introduction to Databases and SQL - Udemy

Duration of Completion - 2hr 17min

Ideal for - Graduates and Novice professionals

rating - 4.5/5

This free SQL course will teach you how to query a database, create tables and databases, and become proficient with basic SQL querying.

once you complete the course, you will feel confident writing simple queries including ones related to dates, string manipulation, and aggregation.

however, this course will not cover advanced and complex queries.

Ideal for: -

  • A beginner with no exposure to SQL.

Would You Like to Enroll? :

If you are ready to start learning, enroll now! - Introduction to Databases and SQL

4. Intro to Relational Databases โ€“ Udacity

Duration of Completion - 4 weeks

Ideal for - Intermediate Learners

This free course covers the basics of SQL and database design, as well as the Python API for connecting python code to a database.

You'll also gain an understanding of how to protect your database-backed web applications from common security threats and learn about normalized design which makes it easier to write effective code.

By the end of the course, you'll know how to use SQL join operators to efficiently connect data from different tables.

Ideal for: -

  • Those who know the basics of python programming

Would You Like to Enroll? :

If you are ready to start learning, enroll now! - Intro to Relational Databases

5. Introduction to Structured Query Language (SQL) โ€“ Coursera

Ideal for - Intermediate Learners

Rating - 4.8/5

This Coursera course is free to audit, meaning you can access the course material at no cost. if you want a certificate, however, you'll need to pay a fee.

The course starts by guiding you through the process of installing a text editor and MAMP or XAMPP. you'll then learn about single table queries and the basics of the SQL language.

The course will cover advanced topics like database design with multiple tables, foreign keys, and the join operation. by the end of the course, you'll know how to model many-to-many relationships, such as those needed to represent users, roles, and courses.

Ideal for: -

  • Those who have some programming knowledge

Would You Like to Enroll? :

If you are ready to start learning, enroll now! - Introduction to Structured Query Language (SQL)

That's all,

The 5 Best Free SQL courses and certifications cnline are now at your disposal. It's time to take advantage of these opportunities and enhance your SQL skills. Good luck on your learning journey!

Conclusion

Intending to show you the best resources for learning SQL, these are the 5 Best Free SQL courses and certifications available for free online. I hope they assist you in mastering SQL. If you have any inquiries, don't hesitate to reach out to me.

All the Best!

Happy Learning!

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