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

mid

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.

Practice This Problem

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