Lesson 14 of 22 · PostgreSQL

Intro to PostgreSQL

Get started with PostgreSQL: run your first queries on a real Postgres database in your browser, no install.

PostgreSQL is the world's most advanced open-source relational database.

Key Features

  • ACID compliant
  • Rich data types (JSON, arrays, UUID)
  • Full-text search
  • Extensible with custom functions

This database comes with a users table of 30 people: id, name, email, job and created_at.

Your challenge

Show the name and email of the first 5 users by id.

Solve it in your browser

Free, no sign-up. The PostgreSQL database runs in your browser; your answer is checked instantly, with hints if you need them. Plus a 1-question quiz.