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Relational Database Certification

4.7(3,900) on freeCodeCamp·620K enrolled
Intermediate 300 hours English Course CertificateFREE
SkillsSQLPostgreSQLBashGitRelational databasesCommand line

Is this course right for you?

Our take
Yes, if you want hands-on database skills the way developers actually work — in a real terminal, not a click-through sandbox. It is free, with a free certificate.

Good for: learners who want practical, hands-on database and SQL skills.

Skip if: you want a gentle, click-through course, or only theory.

Everything runs in a virtual Linux environment inside VS Code, with PostgreSQL, SQL, bash and Git, and the interactive format gives immediate feedback on each command. It fills the database gap the rest of freeCodeCamp's path leaves, and PostgreSQL is the industry's preferred open-source database.

It does not cover advanced SQL, database administration or design theory, and the terminal-first setup can be a jump if you want a gentle, guided course. If you only want theory or a click-through pace, look elsewhere. The curriculum is free and kept current (as of 2026).

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About this course

freeCodeCamp's Relational Database certification is the most hands-on in its catalog — everything runs in a virtual Linux environment directly in VS Code, with exercises in PostgreSQL, SQL querying, bash scripting, and Git. It's one of the newer certifications and uses an interactive tutorial format that gives immediate feedback on each command rather than a project-submit structure.

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Instructor

FT
freeCodeCamp Team
freeCodeCamp instructor
620K+ learners12 courses4.7 instructor rating

Produced by freeCodeCamp, using an interactive in-browser VS Code environment with PostgreSQL for hands-on SQL and database practice.

Frequently asked questions

More than SQL. It teaches the Linux command line and Bash scripting, then PostgreSQL and SQL, and Git for version control — the realistic toolkit around databases rather than databases in isolation. That breadth is a genuine strength if you want practical, job-shaped skills.

Extremely. You work entirely in a real terminal with PostgreSQL and VS Code, building databases from the command line rather than clicking through a graphical tool. It's closer to a real developer's setup than most beginner courses — which is the point, and also why it feels harder than a click-through tutorial.

It can be the first real hurdle. Because it uses genuine tools — a Linux command line, VS Code, PostgreSQL — rather than a simplified sandbox, getting the environment running takes more effort than a typical beginner course. Once it's set up, that realism is exactly what makes the skills transferable.

No prior database experience is needed, though basic comfort with a computer helps since you'll live in the command line. If terminals intimidate you, that's actually a reason to take it — it teaches those basics from scratch — just expect a steeper start than a point-and-click course.

Around 300 hours for the full certification, so a few months at a steady pace. It's project-based, ending in databases you build yourself, so regular practice matters far more than trying to rush through it.
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