Databricks Certified Data Engineer - Associate
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Which of the following describes the relationship between Bronze tables and raw data?
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A
Bronze tables contain less data than raw data files.
B
Bronze tables contain more truthful data than raw data.
C
Bronze tables contain aggregates while raw data is unaggregated.
D
Bronze tables contain a less refined view of data than raw data.
E
Bronze tables contain raw data with a schema applied.
Explanation:
The Bronze layer is where we land all the data from external source systems. The table structures in this layer correspond to the source system table structures "as-is," along with any additional metadata columns that capture the load date/time, process ID, etc. The focus in this layer is quick Change Data Capture and the ability to provide an historical archive of source (cold storage), data lineage, auditability, reprocessing if needed without rereading the data from the source system. https://www.databricks.com/glossary/medallion-architecture
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