Describe How You Use SQL in Data Science Work
Company: Airbnb
Role: Data Scientist
Category: Data Manipulation (SQL/Python)
Difficulty: medium
Interview Round: HR Screen
Overview: Prepare to explain how you use SQL in day-to-day data science work, from defining analysis populations and joining data to building experiment or cohort metrics. Emphasize query depth, row-grain checks, join cardinality, null handling, reproducibility, and the decision informed by the result.