Compare Survey Satisfaction for New and Established Users

Q: How do I practice SQL interview questions?

PracHub provides an interactive SQL console where you can write and test queries against real database schemas. Get instant feedback and compare your solution with the expected output.

Q: What difficulty level is this coding question?

This is a medium difficulty Data Manipulation (SQL/Python) question, commonly asked during Technical Screen rounds at Meta.

Q: What role is this question designed for?

This question is commonly asked for Data Scientist candidates at Meta during technical interviews.

Question

Compare Survey Satisfaction for New and Established Users

PracHub · Accepted Answer

Write PostgreSQL to compare survey satisfaction for new and established users across countries. The challenge emphasizes date-based cohort rules, invalid-event filtering, response and user counts, numeric averages, grouping, and output ordering.

Quick Overview

Compare Survey Satisfaction for New and Established Users