Raw events are dumped cheaply to object storage, but the BI team needs fast SQL aggregations over th

A medium Pipeline Design interview practice problem on DataDriven. Write and execute real pipeline design code with instant grading.

Domain

Pipeline Design

Difficulty

medium

Problem

Raw events are dumped cheaply to object storage, but the BI team needs fast SQL aggregations over the cleaned data. Design storage that keeps raw data cheap AND gives BI a fast query surface.

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Solve this Pipeline Design problem with real code execution. DataDriven runs your solution and grades it automatically.