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Feature Vote Winner

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

Domain
SQL
Difficulty
medium
Seniority
L4

Problem

We have a feature-voting system where each user splits a single vote equally among all the flags they voted for. Some users abstained (null entries). Calculate the effective vote tally for each flag and find the winner. Include ties. Return the flag name and effective vote total.

Summary

Users voted with their clicks. Who won?

Practice This Problem

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

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