CDN Traffic by Day and Hour

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

Domain

SQL

Difficulty

medium

Seniority

mid

Problem

The infra team needs to plan CDN capacity by time of day. Calculate average net bytes per request (gross bytes minus 5% overhead) broken down by day of the week (as text, e.g. 'Monday') and hour. Round to 2 decimal places. Return the weekday name, hour, and average net bytes.

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