A customer's address changes

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

A customer's address changes. The current pipeline overwrites it, so a report run for last quarter now shows the new address and the historical numbers are wrong. Design the dimension load so history is preserved.

Practice This Problem

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