How do I approach Data Manipulation (SQL/Python) interview questions?

Data Manipulation (SQL/Python) questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master data manipulation (sql/python) interviews.

What difficulty level is this interview question?

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

What role is this question designed for?

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

Count heavy callers in 7 days

Last updated: May 7, 2026

Quick Overview

This question evaluates proficiency in SQL-based data manipulation and analytics, covering joins between user and call records, aggregation and distinct counting, temporal filtering, and conditional metrics within the Data Manipulation (SQL/Python) domain.

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Count heavy callers in 7 days