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Answer: A schema is enforced, with data quality checks.
The silver layer in the Medallion Architecture is crucial for enforcing schemas and conducting data quality checks. It also plays a significant role in reducing data storage complexity, latency, and redundancy, optimizing ETL throughput, and analytic query performance. Additionally, it preserves the original data's grain without aggregation and eliminates duplicate records. Understanding the distinct roles of the bronze, silver, and gold layers in the Medallion Architecture is essential for the Databricks Certified Data Engineer - Associate exam.
Author: LeetQuiz Editorial Team
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In the context of Multi-hop architecture, what role does the silver layer play?
A
Refined views with aggregated data
B
Efficient storage and querying of full and unprocessed history of data
C
A schema is enforced, with data quality checks.
D
Replaces a traditional data lake
E
Optimized query performance for business-critical data
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