Same-Day Sales, Every Store
A medium Pipeline Design mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- Pipeline Design
- Difficulty
- medium
- Seniority
- L5
Interview Prompt
Point-of-sale terminals across our retail stores generate transactions all day, and today that sales data reaches the business intelligence team only as a nightly batch. Design a pipeline to bring POS data into Snowflake in near-real-time.
Summary
The cash register data needs to be queryable by morning.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Draw your pipeline on the design canvas: sources, transforms, storage and checks
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision