Put it all together: an intermediate freshness pipeline must merge CDC deltas without duplicates, ve

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

Put it all together: an intermediate freshness pipeline must merge CDC deltas without duplicates, version dimensions as SCD2, migrate schema online without breaking readers, and backfill corrected partitions idempotently under a quality gate.

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