PracHub
QuestionsLearningGuidesInterview Prep

Quick Overview

This question evaluates proficiency in data manipulation and analytical querying with SQL/Python, emphasizing date-based windowing, join operations, aggregation to identify maxima, and handling tied results.

  • easy
  • Wayfair
  • Data Manipulation (SQL/Python)
  • Data Scientist

Find top buyer in earliest 10-year window

Company: Wayfair

Role: Data Scientist

Category: Data Manipulation (SQL/Python)

Difficulty: easy

Interview Round: Take-home Project

Quick Answer: This question evaluates proficiency in data manipulation and analytical querying with SQL/Python, emphasizing date-based windowing, join operations, aggregation to identify maxima, and handling tied results.

Last updated: May 7, 2026

Related Coding Questions

  • Clean scores and return top 5 students - Wayfair (easy)
  • Solve SQL and Python OA tasks - Wayfair (easy)
Loading…
PracHub

Master your tech interviews with 8,500+ real questions from top companies.

Product

  • Questions
  • Learning Tracks
  • Interview Guides
  • Resources
  • Premium
  • For Universities

Browse

  • By Company
  • By Role
  • By Category
  • Topic Hubs
  • SQL Questions
  • AI Coding Questions
  • Compare Platforms
  • Discord Community

Support

  • support@prachub.com
  • (916) 541-4762

Legal

  • Privacy Policy
  • Terms of Service
  • About Us

© 2026 PracHub. All rights reserved.