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.

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.

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 | Meta SQL Question

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.

medium
Meta
Data Manipulation (SQL/Python)
Data Scientist

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