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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

Segment each day's API traffic into 'Morning' (before 12:00), 'Early Afternoon' (12:00 to 15:00), and 'Late Afternoon' (after 15:00). Find the top 2 day-plus-time-segment combinations by total API calls; if there's a tie, include all tied results. Exclude records with missing timestamps.

Summary

Two time slots per week. The busiest.

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