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Paths/Data Engineer/Change Data Capture / Schema Evolution

Practice Taskintermediateubuntu:24.04Ask AI

Handle a Column Change

A renamed column or a dropped one breaks every consumer downstream. Write the rule for meeting the change halfway.

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01Requirements

live checks
  • File ~/cdc/evolution.yaml exists○
  • The config states the expand and the contract steps○
  • The config states how the sink tolerates the new column○

02Walkthrough

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  1. 01

    Create the cdc directory

    The evolution rules live with the capture configuration.

    mkdir -p ~/cdc
  2. 3 locked · each failed submit reveals one

03Stuck?

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Take a hint without losing the lab — each one points at the thing to look at, not at the answer.

04AI Tutor

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Tell me what you're stuck on — I'll nudge, not solve. Which requirement are you looking at?

04Notebook

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learner@lab — ubuntu:24.04

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