Top 10 Best Free Online SQL Courses
Databases are ubiquitous in today’s world, from websites to banking systems to video games. SQL, a declarative query language, gives you the ability to retrieve valuable data from these databases with ease. If you are looking for the best online SQL course, you’re in the right place! I’ve compiled a list of the top 10 free SQL courses available online based on data from Class Central. Keep reading to find out more about each course.
What is SQL?
SQL is a declarative query language used to retrieve data from relational databases. It is widely used across various industries, including data science, engineering, and digital marketing. Understanding SQL is essential for anyone working with databases and looking to extract valuable insights from them.
Databases play a crucial role in storing vast amounts of data generated daily by billions of users. Learning SQL will not only enhance your data analysis skills but also make you more marketable to potential employers.
Why You Should Trust Us
Class Central, often referred to as the TripAdvisor for online education, has helped millions of learners discover their next course. With over a decade of experience in the online education space, we have curated a catalog of 200,000 courses and 200,000 reviews from our users. Our team at Class Central has collectively completed over 400 online courses, including online degrees.
Top Picks
- SQL for Data Analysis by Mode
- Databases: Relational Databases and SQL by Stanford University
- Introduction to SQL by Davidson College
- Introduction to SQL by DataCamp
- SQL for Data Science by University of California, Davis
- Foundations for Big Data Analysis with SQL by Cloudera
- SQLBolt
- Introduction to Structured Query Language (SQL) by University of Michigan
SQL for Data Analysis by Mode
Institution: Mode
Provider: Udacity
Instructor: Derek Steer
Level: Beginner
Workload: 30-40 hours
Exercises: Quizzes and interactive exercises
Certificate: None
SQL for Data Analysis by Mode is a comprehensive course that covers essential concepts needed to manage and analyze databases. Through in-browser SQL coding exercises, you’ll strengthen your practical knowledge of SQL. By the end of the course, you’ll be able to write efficient SQL queries for various data analysis tasks. The only requirement for this course is familiarity with working with data in spreadsheets.
Databases: Relational Databases and SQL by Stanford University
Institution: Stanford University
Provider: edX
Instructor: Jennifer Widom
Level: Beginner
Workload: 16-20 hours
Exercises: 4 SQL exercises
Certificate: Paid
Databases: Relational Databases and SQL from Stanford University provides a comprehensive introduction to relational databases and SQL. You’ll learn about key database management system concepts and how to query relational databases. The course is part of a series on databases, with the next level covering advanced topics in SQL.
Introduction to SQL by Davidson College
Institution: Davidson College
Provider: edX
Instructor: Pete Benbow
Level: Beginner
Workload: 12-20 hours
Exercises: Graded quizzes and final project (for paying learners)
Certificate: Paid
Introduction to SQL by Davidson College offers a historical overview of SQL before delving into basic and advanced SQL commands. The course is suitable for beginners and requires no prior knowledge. You’ll learn how to structure SQL queries, filter data, and perform various data operations using JOINs.
Whether you’re new to SQL or looking to enhance your data analysis skills, these free online courses offer a wealth of knowledge and practical experience. Choose a course that best fits your skill level and start your SQL journey today!