Single Service Owners

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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

An infrastructure audit needs to identify owners responsible for exactly one service. Show the service name and how many services that owner manages (which will be 1), listed alphabetically by service name. Limit to the top 10.

Summary

One owner, one service. Nobody else.

Practice This Problem

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