You now understand how data flows through Bronze, Silver, and Gold layers and why managing schema changes is critical. Let's practice applying these concepts to maintain a healthy, evolving data pipeline.
Engagement Message
Ready to manage the flow?
Type
Sort Into Boxes
Practice Question
Sort these data processing tasks into the correct Medallion layer where they would typically occur.
Labels
- First Box Label: Silver Layer
- Second Box Label: Gold Layer
First Box Items
- Deduplicating records
- Standardizing date formats
- Joining customer and order data
Second Box Items
- Aggregating monthly sales
- Creating executive KPIs
- Enriching with 3rd party data
Type
Multiple Choice
Practice Question
A new, optional field customer_segment is added to a source system. At what layer should this field first appear in its raw, unaltered form?
A. Bronze B. Silver C. Gold D. It should be filtered out immediately
Suggested Answers
- A - Correct
- B
- C
- D
Type
Fill In The Blanks
Markdown With Blanks
Let's complete the sentence about handling a schema change.
When a source system renames a column from to , this is a [[blank:risky]] schema change. To avoid breaking the pipeline, the transformation in the [[blank:Silver]] layer must be updated to handle the change gracefully.
