Roll Call

A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

easy

Seniority

L3

Problem

Support needs a clean roster of everyone in the customer table. List each customer's first name, last name, and country, sorted alphabetically by first name and then last name.

Summary

Every name on the books, in order.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.