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SQL, or Structured Query Language, is a powerful tool used in database management and manipulation. It is an essential skill for anyone looking to work with databases and information systems. Whether you are a beginner or an experienced professional, investing in a SQL course or certification can enhance your knowledge and career prospects. In this article, we will explore the 10 best online SQL courses and certifications that can help you master this versatile language.

1. SQL for Beginners: Learn SQL using MySQL and Database Design

This course offered on Udemy provides a comprehensive introduction to SQL and database design, making it perfect for beginners. The instructor covers all the fundamental concepts, including querying databases, creating tables, and performing data manipulation. With hands-on exercises and practical examples, you will gain confidence in writing SQL queries and designing efficient databases.

2. SQL & Database Design A-Z™: Learn MS SQL Server + PostgreSQL

If you want to learn SQL using two popular database management systems, MS SQL Server and PostgreSQL, this course on Udemy is a great choice. It covers everything from database installation to advanced querying techniques. You will learn about data modeling, database normalization, and transaction management while working on real-world projects. The instructor guides you through every step, ensuring a solid foundation in SQL and database design.

3. The Complete SQL Bootcamp

Taught by an experienced data scientist, this Udemy course aims to transform you into an SQL expert. It covers SQL syntax, database management, and advanced query topics, such as joins and subqueries. The course also includes sections on database normalization and schema design. With a blend of theory and practical exercises, you will develop strong SQL skills that can be applied to various database systems.

4. Oracle Database SQL Certification Course

If you are interested in becoming an Oracle Database SQL Certified Associate, this course offered by Oracle University is the ideal choice. It prepares you for the Oracle Database SQL certification exam, covering SQL fundamentals and advanced topics. Through hands-on labs and interactive exercises, you will master SQL techniques specific to Oracle databases. This certification can greatly boost your credibility as an SQL professional.

5. IBM SQL and Databases for Data Science

Designed for data science enthusiasts, this course on Coursera by IBM introduces SQL and databases in the context of data analysis. You will learn how to perform data manipulation, join tables, and aggregate data using SQL. Additionally, the course explores advanced concepts such as window functions and recursive queries. By applying your SQL knowledge to real-world datasets, you will acquire valuable skills for data science projects.

6. Microsoft SQL Server 2019 – An Introduction

For those interested in mastering Microsoft SQL Server, this Pluralsight course is an excellent starting point. It covers the basics of SQL Server, including installation, configuration, and database creation. You will learn essential SQL querying skills along with how to work with tables, views, and stored procedures. The course also includes valuable tips for optimizing SQL Server performance.

7. Advanced SQL for Data Scientists

This edX course offered by UC San Diego Extension is tailored specifically for data scientists who want to deepen their SQL skills. It delves into advanced SQL functionalities, such as window functions, recursive queries, and common table expressions. The course also covers the integration of SQL with Python and R for data analysis. By the end, you will be equipped with the tools needed to handle complex data manipulations confidently.

8. PostgreSQL: From Zero to Hero

PostgreSQL is one of the most popular open-source relational database management systems. This course on Udemy provides a comprehensive introduction to PostgreSQL, covering installation, administration, and SQL querying. You will learn how to work with complex data types, write efficient queries, and optimize database performance. The course includes real-world examples and quizzes to reinforce your understanding.

9. SQL Performance: Learn How to Boost Speed and Performance for SQL Server

If you are already familiar with SQL but want to optimize your queries and database performance, this Pluralsight course is the perfect choice. It focuses on practical techniques for improving SQL query execution speed, indexing strategies, and query tuning. The instructor shares industry best practices and real-world examples to help you enhance the efficiency of your SQL applications.

10. SQL Server Certification Training

For professionals aiming to become Microsoft Certified: Data Analyst Associates, this course on Edureka provides comprehensive training. It covers all the essential topics required for the certification, including SQL queries, database administration, and reporting. With hands-on projects and case studies, you will gain practical experience in SQL Server concepts and techniques. This certification will validate your expertise and open doors to exciting career opportunities.


Mastering SQL is essential for anyone working with databases and data analysis. By investing in the right SQL course or certification, you can enhance your skills, credibility, and career prospects. The 10 online courses and certifications mentioned in this article offer a wide range of options, whether you are a beginner or an experienced professional. From comprehensive introductions to advanced topics, these courses provide the knowledge and hands-on practice necessary to become an SQL expert.