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Course Description
Get an Introduction to SQL in Two Hours
Much of the world's raw data—from electronic medical records to customer transaction histories—lives in organized collections of tables called relational databases. Being able to wrangle and extract data from these databases using SQL is an essential skill within the data industry and in increasing demand.In just two hours, you'll get to know the theory and the practice through bite-sized videos and interactive exercises where you can put your new-found skills to the test.
Learn how Relational Databases are Organized
SQL is an essential language for building and maintaining relational databases, which opens the door to a range of careers in the data industry and beyond. You’ll start this course by covering data organization, tables, and best practices for database construction.Write Your First SQL Queries
The second half of this course looks at creating SQL queries for selecting data that you need from your database. You’ll have the chance to practice your querying skills before moving on to customizing and saving your results.Understand the Difference Between PostgreSQL and SQL Server
PostgreSQL and SQL Server are two of the most popular SQL flavors. You’ll finish off this course by looking at the differences, benefits, and applications of each. By the end of the course, you’ll have some hands-on experience in learning SQL and the grounding to start applying it to projects or continue your learning in a more specialized direction.Training 2 or more people?
Get your team access to the full DataCamp platform, including all the features.Training 2 or more people?
Get your team access to the full DataCamp platform, including all the features.datasets
Course Glossarycollaborators
Yassin Zain AlabdeenStaff Engineer, DataCamp
Yassin is a Staff Engineer at DataCamp, where he focuses on AI-powered learning experiences. He was a member of the technical founding team at Optima, an AI-native learning platform acquired by DataCamp in 2025. Previously, Yassin spent four years at Talabat (part of Delivery Hero), where he led the effort to build the company's in-house fraud prevention solution. He holds a Bachelor's degree in Computer Engineering from Middle East Technical University (METU) and a Master's degree in Data Science from Heriot-Watt University.
Izzy WeberData Coach at iO-Sphere
Izzy is a Head Coach at iO-Sphere. She discovered a love for data during her seven years as an accounting professor at the University of Washington. She holds a masters degree in Taxation and is a Certified Public Accountant. Her passion is making learning technical topics fun.
Jasmin LudolfSenior Data Science and AI Content Developer, DataCamp
Jasmin is a Senior Content Developer at DataCamp. After ten years as a global marketing manager in the music industry, she changed careers to follow her curiosity for data. Her passion is value exchange and making data science and AI accessible to all.
Yusuf SaberChief AI Officer, DataCamp
Yusuf is the Chief AI Officer at DataCamp, where he leads the company’s AI strategy and product innovation. He founded Optima, an AI-native learning platform that was acquired by DataCamp in 2025. Previously, Yusuf led data and AI teams at Careem (acquired by Uber) and Talabat (part of Delivery Hero), where he built scalable machine learning systems. He holds a Master’s degree in Machine Learning from ETH Zurich (Swiss Federal Institute of Technology).
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