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Answer:
The question asks which query performs a hop from Silver to Gold in a multi-hop medallion architecture. In this architecture, Silver tables contain cleaned, enriched data, while Gold tables contain business-level aggregated data for consumption. The community discussion shows 100% consensus on answer D, indicating it correctly implements this transition by transforming Silver data into Gold-level aggregates or business metrics. The other options (A, B, C) are incorrect as they either don't perform the necessary transformation, operate within the same layer, or don't follow medallion architecture principles for Gold table creation.
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A data engineer is implementing a multi-hop medallion architecture. They need to create a Gold table from an existing Silver table.
Which of the following queries correctly performs the hop from the Silver to the Gold layer?
A
B