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 hard difficulty Data Manipulation (SQL/Python) question, commonly asked during Technical Screen rounds at Google.

What role is this question designed for?

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

Compute Company Suggestion Funnels

Quick Overview

This question evaluates a candidate's ability to perform event-level funnel analysis including distinct aggregation, joins to a dimension table, time-windowed filtering, handling missing events (such as completions without prior clicks), and computing safe conversion rates using SQL or Python.

hard
Google
Data Manipulation (SQL/Python)
Data Scientist

Quick Overview

hard
Google
Data Manipulation (SQL/Python)
Data Scientist

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