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 easy difficulty Data Manipulation (SQL/Python) question, commonly asked during Onsite rounds at Capital One.

What role is this question designed for?

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

Clean and Merge Housing Data | Capital One SQL Question

Quick Overview

This question evaluates data cleaning, type coercion, robust merge operations, and missing-data imputation skills within tabular datasets, emphasizing pandas-based DataFrame manipulation and integration of auxiliary zipcode features.

easy
Capital One
Data Manipulation (SQL/Python)
Data Scientist

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