# Put it all together: keep a warehouse customer dimension fresh from an operational DB

Canonical URL: <https://datadriven.io/problems/put-it-all-together-keep-a-warehouse-customer-dimension-fre-425edbec>

Domain: Pipeline Design · Difficulty: medium

## Problem

Put it all together: keep a warehouse customer dimension fresh from an operational DB. Move only changed rows via CDC, preserve attribute history (SCD2), let the schema evolve when a new column appears, and support backfilling a corrected partition without a full reload.

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