8 Best FREE SQL Courses with Certification (2025)

SQL is the standard language for dealing with Relational Databases. SQL can be used to insert, search, update, and delete database records. Microsoft SQL can do lots of other operations, including optimizing and maintaining databases. SQL stands for Structured Query Language, pronounced as “S-Q-L” or sometimes as “See-Quel”. Relational databases like MySQL Database, Oracle, MS SQL Server, Sybase, etc., use ANSI SQL.

Having reviewed 30+ Best Free SQL Courses with Certification through 80+ hours of in-depth research, I bring you a trusted and unbiased guide to the top courses available. Whether free or paid, this well-researched list highlights the features, pros, and cons of each option. Discover the ultimate course for your needs by reading the complete article! Read more…

Best FREE SQL Certification Courses Online

Course Name	Provider	Duration	Certification	Link
👍 SQL Certification for Data Science	Coursera	15 hours	Yes	Enroll for Free
👍 Database and SQL Certification for Data Science	Coursera	20 hours	Yes	Enroll for Free
Introduction to Structured Query Language (SQL)	Coursera	15 hours	Yes	Enroll for Free
Learn SQL Basics for Data Science Specialization	Coursera	2 months at 10 hours a week	Yes	Enroll for Free
CS50’s Introduction to Databases with SQL	edX	7 Weeks at 6 – 12 hours per week	Yes	Enroll for Free

1) SQL Certification for Data Science (Coursera)

Specs: Rating: 4.6 | Duration: Approx. 14 hours to complete | Fee: Free | Certificate: Yes | Level: Beginner

SQL Certificate for Data Science is a course that I reviewed to teach SQL fundamentals and work with data, which is essential for data science.

This best online SQL course begins with the basics and gradually teaches you how to write simple and complex queries, which help you select data from tables. In this course, you will also learn different data types like strings and numbers and discuss methods to filter and pare down your results.

This SQL also teaches you some common operators and how to combine the data. You will also know how to use statements and concepts like data governance and profiling. The course material discusses the topic on data and practice using real-world programming assignments.

SQL Certification for Data Science offers a robust learning platform tailored for aspiring data professionals. The course delivers essential SQL skills with 100% online modules, allowing you to start instantly and progress at your own pace. Flexible deadlines accommodate your schedule, and subtitles in multiple languages ensure accessibility. Earn a certificate upon completion and take a step toward mastering SQL for data science.

What will You Learn?

Writing SQL Queries: You will learn how to identify specific subsets of data within columns and write SQL queries to limit or filter results.
Sorting and Summarizing Data: Master SQL commands that allow you to sort, filter, and summarize data effectively for better analysis and reporting.
Using UNION Operator: I believe it is a great way to combine various queries using the UNION operator to create cohesive analysis tables.
Manipulating Data with Functions: Learn to use string, date, and numeric functions to integrate data from multiple sources for more dynamic and comprehensive analysis.

Pricing:

Free to Enroll

How to Enroll in the SQL for Data Science Course?

Step 1) Visit the SQL for Data Science course page on Coursera.
Step 2) Click the “Enroll for Free” button and create an account or log in with your existing Coursera credentials.
Step 3) Start learning by exploring the content and beginning your journey with the SQL for Data Science course.

Enroll Now >>

2) Database and SQL Certification for Data Science (Coursera)

Specs: Rating: 4.7 | Duration: Approx. 13 hours to complete | Fee: Free | Certificate: Yes | Level: Beginner

Database and SQL Certification for Data Science is a course that I particularly appreciate to introduce you to relational database concepts and helps you learn and apply knowledge of the SQL language. You can learn this SQL course online, which is essential and a great option to get started with accessing SQL in a data science environment.

The course helps you to learn SQL online. You will also learn how to create a database instance in the cloud. With a series of hands-on labs, you will practice building and running SQL queries. You also get known how to access databases from Jupyter notebooks using SQL and Python.

Database and SQL Certification for Data Science provides a dynamic learning experience designed for future data experts. The course includes self-paced learning with flexible deadlines and engaging videos. Interactive practice quizzes and graded assignments with peer feedback ensure a hands-on approach. Graded programming tasks and quizzes offer detailed feedback, enhancing your SQL proficiency for data-driven success.

What will You Learn?

Creating and Accessing Databases: You will learn how to create and access a database instance on the cloud, which is a great option for scalability.
Writing Basic SQL Statements: I find it helpful to understand essential SQL commands like CREATE, DROP, INSERT, UPDATE, and DELETE, enabling efficient database management.
Filtering and Grouping Results: Learn how to filter, sort, group results, and use built-in functions to access and analyze data across multiple tables seamlessly.
Accessing Databases with Python: Gain the skills needed to access databases using Python from Jupyter notebooks, working with real-world datasets for hands-on experience.

Pricing:

Free to Enroll

How to Enroll in the Database and SQL Certification for Data Science Course?

Step 1) Visit the Database and SQL Certification for Data Science on Coursera.
Step 2) Click the “Enroll for Free” button and either create an account or log in with your existing Coursera credentials.
Step 3) Start your journey by diving into the course content and exploring SQL for data science using Python.

Enroll Now >>

3) Introduction to Structured Query Language (SQL) (Coursera)

Specs: Rating: 4.8 | Duration: 16 hours to complete | Price/Fee: Free | Certificate: Yes | Level: Intermediate

Introduction to Structured Query Language is a full SQL learning course. I recommend this online learning course, which guides you through the steps to install a text editor, install XAMPP or MAMP, and create a MySql Database, making it a top choice for aspiring data scientists.

In this one of the best SQL course, you will learn about single table queries and the SQL language. It helps you to learn database design, basic SQL syntax with multiple tables, foreign keys, and the JOIN operation. At the end of this course, you will know how to model many-to-many relationships like those needed to represent users, roles, and courses.

Introduction to Structured Query Language delivers essential SQL knowledge through an engaging and flexible learning platform. It combines videos, readings, and hands-on quizzes to ensure a solid understanding. Graded assignments with instant feedback refine your skills. Subtitles in various languages and shareable certificates make this course accessible and career-enhancing.

What will You Learn?

Setting Up PHP and SQL: Discover the required steps for installing PHP and SQL, which are helpful in developing and managing database-integrated web solutions.
SQL Fundamentals Overview: It is best to learn SQL basics, including how to write queries, filter results, and update databases using structured commands.
Effective Database Design: I aim to understand database design principles to create structured tables and relationships, ensuring data consistency and optimal storage.
Working with Many-To-Many: Learn about many-to-many relationships, which typically provide a great way to handle linked data across tables in database systems.

Pricing:

Free to Enroll

How to Enroll in the Introduction to Structured Query Language Course?

Step 1) Visit the Introduction to Structured Query Language on Coursera.
Step 2) Tap the “Enroll for Free” button and create an account with your email or log in if you already have an account.
Step 3) Start your learning journey by exploring the course content and practicing SQL fundamentals.

Enroll Now >>

4) Learn SQL Basics for Data Science Specialization (Coursera)

Specs: Rating: 4.5 | Duration: 2 months at 10 hours a week | Certificate: Yes

Learn SQL Basics for Data Science Specialization is a course to develop SQL query fluency. It offered me the best way to learn SQL and taught me how to analyze and explore data.

You will also learn how to handle strings, dates, and number data from different sources for analysis, which is a great way to build your skills.

Learn SQL Basics for Data Science Specialization, designed by the University of California, Davis equips learners with foundational SQL skills. The course offers a flexible schedule for self-paced progress. Shareable certificates and support in 22 languages ensure accessibility and professional recognition, making it an excellent choice for aspiring data professionals.

What will You Learn?

Filtering and Summarizing Data: Learn to use SQL commands to filter, sort, and summarize data, which helps you analyze large datasets more effectively.
Solving Business Problems with SQL: I consider SQL to be a great way to assess and create datasets aimed to address and solve real-world business problems efficiently.
Using Databricks for Pipelines: Discover how to use the collaborative Databricks workspace to create an end-to-end pipeline, typically required for data engineering projects.
Developing Proposals and Metrics: Learn to develop project proposals, define metrics, and perform statistical analysis, which is great for driving data-informed decisions.

Pricing:

Free to Enroll

How to Enroll in the Learn SQL Basics for Data Science Specialization?

Step 1) Visit the Learn SQL Basics for Data Science Specialization on Coursera.
Step 2) Tap the “Enroll for Free” button and sign up with your email or log in if you already have an account.
Step 3) Start exploring the specialization content and advancing your SQL skills for data science through progressive projects.

Enroll Now >>

5) CS50’s Introduction to Databases with SQL (edX)

Specs: Fee: Free | Duration: 7 weeks | Certificate: Yes

CS50’s Introduction to Databases with SQL I checked is an easy-to-learn course that helps you quickly learn SQL. During my research, the course teaches you how to model real-world entities and their relationships using tables, providing a superior choice for aspiring data scientists.

Course begins with SQLite for portability’s sake and ends with introductions to PostgreSQL and MySQL for scalability’s sake as well.

CS50’s Introduction to Databases with SQL delivers foundational skills in SQL with unmatched expertise. Flexible self-paced learning meets the needs of diverse learners. Assignments with peer feedback provide a hands-on experience. The course is led by industry experts, and its shareable certificate highlights your achievement in mastering SQL concepts.

What will You Learn?

Relational Database Operations: Master creating, reading, updating, and deleting data in relational databases, which allows you to manage information effectively.
Optimizing Data with Normalization: It is best to normalize data to avoid redundancies, making storage and queries more efficient in large-scale database systems.
Joining Tables with Keys: I seek to highlight the significance of primary and foreign keys as essential components for establishing relationships between tables in a database.
SQL Integration with Code: Explore how SQL integration with programming languages helps you build more dynamic, functional, and scalable software systems.

Pricing:

Free to Enroll

How to Enroll in Harvard’s CS50’s Introduction to Databases with SQL Course?

Step 1) Visit the CS50’s Introduction to Databases with SQL on edX.
Step 2) Click the “Enroll” button and sign up with your email or log in if you already have an edX account.
Step 3) Begin your learning journey by exploring the course content and mastering SQL fundamentals through Harvard’s CS50 program.

Enroll Now >>

6) SQL Fundamentals (CFI)

Specs: Rating: 5 | Duration: Approx 10hours to complete | Certificate: Yes | Level: Beginner

SQL Fundamentals I tested is perfect for anyone who has no or little technical background. I suggest this course introduces you to the basic syntax and key features of SQL. By the end of this SQL course, you will learn how to navigate and handle data from a database, providing a perfect for those new to SQL.

The course progressively guides you through more complex aspects of SQL, including data transformation functions and combining data from multiple tables.

SQL Fundamentals offers a simple yet impactful introduction to SQL for beginners. The course is entirely online and allows learners to progress at their own pace. With downloadable files, you will have resources readily available for reference. This course is ideal for those starting their journey in database management.

What will You Learn?

Basic SQL Data Commands: Learn the required basics of sorting, filtering, and aggregating data with SQL, which allows you to process datasets effectively.
Extracting Useful Data: I discovered that SQL’s ability to extract and manipulate data from databases is a perfect solution for efficient and flexible querying tasks.
Filtering with SQL Syntax: Master SQL syntax for filtering and retrieving data, which is one of the easiest ways to gain meaningful insights from raw data.
Understanding SQL Foundations: Grasp key concepts of SQL and database management, which might be helpful in working with modern data warehouses and enterprise systems.

Pricing:

$298.20

How to Enroll in the SQL Fundamentals Course?

Step 1) Visit the SQL Fundamentals course on CFI.
Step 2) Click the “Enroll Now” button and create an account using your email or log in if you already have one.
Step 3) Start exploring the course content to master SQL basics and enhance your data analysis skills.

Enroll Now >>

7) Introduction to SQL (edX)

Specs: Rating: 4.5 | Duration: 5 weeks | Certificate: Yes | Fee: Free

Introduction to SQL I evaluated is an online certification course. It helped me. The purpose of this course is to introduce relational database concepts and help you learn and apply basic and advanced knowledge of SQL. No prior knowledge of databases, SQL, or programming is required, making it an excellent choice for beginners.

After the end of this course, you will learn how to work with functions, perform sub-selects and nested queries, as well as access multiple tables in the database.

Introduction to SQL provides a solid foundation for understanding and using SQL effectively. The course is self-paced, allowing learners to progress at their convenience. Expert instruction ensures a clear grasp of concepts, while graded assignments and exams test your skills. Upon completion, earn a shareable certificate to showcase your achievement.

What will You Learn?

SQL Data Operations: Understand how to filter, order, sort, and aggregate data with SQL commands, a great option for analytical tasks.
Structured Data Grouping: I consider sorting and grouping data in result sets one of the easiest ways to make sense of extensive datasets.
Building Cloud Databases: Learn to create a cloud-based database instance, which might be helpful to manage and access data conveniently from remote locations.
Advanced Query Techniques: Master the use of string patterns and ranges in SQL queries, a good idea to handle complex filtering and data retrieval tasks.

Pricing:

Free to Enroll

How to Enroll in the IBM Introduction to SQL Course?

Step 1) Visit the IBM Introduction to SQL course on edX.
Step 2) Click the “Enroll” button and sign up using your email or log in if you already have an edX account.
Step 3) Dive into the course by starting your learning journey with hands-on SQL labs and projects to develop practical skills.

Enroll Now >>

8) Learn SQL (Codeacademy)

Specs: Duration: 7 Hours | Fee: Free | Certificate: Yes | Prerequisites: None

Learn SQL I analyzed is a course for beginners to understand how to work with relational databases using SQL. I recommend that you learn SQL through four different case study projects. Learn to handle data and build queries that work with multiple tables, positioning it as a top choice for new students.

The statements covered in this Online SQL course use SQLite Relational Database Management System. It also allows you to access a glossary of all the SQL commands.

Learn SQL empowers learners with unlimited access to Codecademy’s diverse educational content. The course emphasizes hands-on learning through expert-designed projects and instructional videos. Participants enjoy early access to new materials and connect with an exclusive community. Flexible seat reassignment options offer added convenience, making it a standout tool for teams and individuals alike.

What will You Learn?

Using SQL to Access and Modify Databases: You will learn how SQL allows you to retrieve, create, and update data effectively within a structured database system.
Mastering Complex Database Operations: Learn essential techniques required to perform advanced database operations, making your work with large datasets more efficient and structured.
Executing Advanced SQL Queries: I find it great to explore essential SQL query keywords and functionality to perform complex queries seamlessly in any database environment.
Enhancing Microsoft SQL Skills with Relational Databases: Expand your Microsoft SQL skills by learning how to develop, manage, and manipulate multiple related database tables for dynamic data handling.

Pricing:

Free to Enroll

How to Enroll in the Learn SQL Course?

Step 1) Visit the Learn SQL course on Codecademy.
Step 2) Tap the “Start” or “Enroll for Free” button and create an account with your email.
Step 3) Dive into the course by starting your learning experience with the Learn SQL content.

Enroll Now >>

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How Did We Choose Best FREE SQL Courses with Certification?

At Guru99, we prioritize credibility by ensuring accurate, relevant, and objective information through rigorous content creation and review. After evaluating over 30 free SQL courses with certification across 80 hours of research, we present an unbiased guide to help you choose the best option. Check out the important factors below. Selecting the right SQL course can feel overwhelming, but focusing on structured learning paths and key features can help you gain essential skills and certifications to advance your career. Whether free or paid, our curated list highlights features, benefits, and drawbacks to assist you in finding the perfect course.

Comprehensive Content: It is important to consider courses that cover fundamental and advanced topics.
Certification Provided: Aim to select courses that offer valuable certifications upon completion.
User-Friendly Platform: Great options include platforms that are easy to navigate and understand.
Practice Opportunities: The most effective courses allow you to work on real-world projects.
Community Support: Pay attention to options with forums or active communities for assistance.
Instructor Expertise: Make sure you choose courses led by knowledgeable instructors.

Verdict

In this review, I have highlighted some of the most popular SQL certification courses that offer comprehensive training. Each course caters to different learning needs, ensuring a superior choice for beginners or those looking to expand their skills with SQL certification free options.

SQL Certification for Data Science: This is an excellent course to master SQL basics, with hands-on programming assignments and comprehensive content tailored for data analysis.
Database and SQL Certification for Data Science: A great course offering flexible learning, it dives deep into SQL with practical applications, cloud database creation, and Python integration.
Introduction to Structured Query Language: This course is a phenomenal option for learning foundational to intermediate SQL, focusing on database design and multi-table operations.

FAQ

Yes, you will get a printable certificate in many courses. Some course providers will ship a hard copy of the certificate to your desired address.

All the classes are recorded and can be replayed later.

Most courses come with a 30 day return policy or have a 7 day free trial.

Most courses have a forum that allows you to raise questions that are frequently answered by course authors.

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