MySQL-compatible mode — runs in your browser

MySQL Playground

Write MySQL SQL and run it instantly — no server, no signup. Practice CONCAT, GROUP_CONCAT … SEPARATOR, IFNULL, DATE_ADD and more, with the common MySQL-only syntax bridged automatically.

MySQL-Compatible Mode 3 Difficulty Levels 20 Hands-On Exercises Timed Challenge Mode
Difficulty:
Exercise 1 of 8 0 solved
Timed Challenge
Question
easy

List Every Customer

Retrieve each customer's id, first_name, last_name and email, ordered by id.

Expected Columns:
Database Info

Database Schema

Table structures and relationships

customers (1/4)
MySQL Notes
    SQL Editor
    Results

    Run a query to see results

    Comments