Friday Spending Analysis

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

Domain

SQL

Difficulty

hard

Seniority

L3

Problem

For each Friday in the first 13 weeks of the year, calculate the average transaction amount. Show the week number and average amount.

Summary

Friday spending during Q1.

Practice This Problem

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