Count Recent High-Volume Call 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

Count Recent High-Volume Call Users

PracHub · Accepted Answer

This question evaluates SQL data manipulation and analytical querying skills, including time-window filtering, joins between user and call tables, role-aware event counting (caller vs recipient), distinct user aggregation, and cohort percentage calculations.

Quick Overview

Count Recent High-Volume Call Users