Extremely Late Resolutions

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

Domain

SQL

Difficulty

medium

Seniority

mid

Problem

Our alerting system logs resolution times. For each month, calculate the percentage of resolved alerts where resolution took more than 20 minutes beyond the predicted time. Format months as 'YYYY-MM'. Return the month and late percentage.

Practice This Problem

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