Free Online SQL Courses and Certifications 2024

SQL (Structured Query Language) is a powerful language used to manage data in relational databases. It is used in many fields, such as web development, software engineering, and data analysis. People who are interested in these fields can benefit from taking courses in SQL to gain a better understanding of the language.

SQL Courses

Career Trends


Career Prospects

Average Salary

Position Overview

SQL Developer

$158,437 per year

SQL Developer offers robust editors that allow users to work with SQL, PL/SQL, Stored Java Procedures, and XML. With SQL Developer, users can perform various actions such as running queries, generating execution plans, exporting data in various formats (XML, Excel, HTML, PDF, etc.), executing, debugging, testing, and documenting database programs, among many other features.

Senior Data Engineer 

$203,025 per year

The Senior Data Engineer is responsible for supervising the data integration tasks in the department, which includes creating a data model, managing a data warehouse and analytics environment, and writing scripts for data integration and analysis.

Data Analyst

$45,197 per year

A data analyst analyzes data to uncover significant insights regarding a business's customers and identifies how the data can be utilized to resolve problems. They also convey this information to company executives and other individuals with a vested interest.

SQL Server consultant

$121,360 per year

As an SQL Server consultant, your primary responsibility is to provide assistance with the installation and configuration of an SQL Server system. You may also assist with migrating projects or data into the database, troubleshoot and fix programming errors, and offer guidance and support in setting up hardware.

Python Developer

$122,667 per year

A Python Developer is a valuable member of a software team who possesses expertise in creating, designing, and delivering computer applications and other programs using Python. In addition to this, a Python Developer is accountable for identifying and rectifying errors (debugging) in development projects based on Python.


Educational Paths

1. Online courses: Websites like Udemy, Coursera, and edX offer online SQL courses that can help you learn the basics and advanced concepts of SQL.

2. Books: There are many books available on SQL that can help you learn the language from scratch or improve your existing knowledge.

3. Community college courses: Community colleges often offer courses in SQL and database management that can provide a more structured approach to learning.

4. Bootcamps: There are many bootcamps available that focus on teaching SQL and database management, providing an intensive and immersive learning experience.

5. Self-learning: There are many online resources available for learning SQL, such as tutorials, blogs, and forums. By dedicating time and effort to self-learning, you can gain a strong understanding of SQL.

Frequently Asked Questions and Answers

Q1: What is SQL and how is it used?

SQL serves as a means of communication with databases and is recognized as the standard language for relational database management systems by ANSI (American National Standards Institute). It enables the execution of various tasks, including updating and retrieving data from databases.

Q2: Can I teach myself SQL?

Many students have successfully learned SQL at their own convenience and speed by taking our interactive courses. Whether or not you choose to use Dataquest, it is entirely feasible to independently learn SQL.

Q3: Is SQL dying out?

SQL is expected to remain in use for a considerable period due to its numerous advantages. It enjoys immense popularity among data professionals and is extensively utilized by leading tech companies that heavily rely on relational databases and SQL. Moreover, professionals working with data are accustomed to SQL, making it a daunting task to retrain them to adopt a different tool.

Q4: What SQL courses can I find on AZ Class?

On this page, we have collected free or certified 969 SQL online courses from various platforms. The list currently only displays up to 50 items. If you have other needs, please contact us.

Q5: Can I learn SQL for free?

Yes, If you don’t know SQL, we recommend that you try free online courses, some of which offer certification (please refer to the latest list on the webpage as the standard). Wish you a good online learning experience!

ADVERTISEMENT