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Databricks Certified Data Engineer - Professional

Databricks Certified Data Engineer - Professional

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A junior data engineer is implementing logic for a Lakehouse table called silver_device_recordings. The source data consists of 100 unique fields in a deeply nested JSON structure.

The silver_device_recordings table will serve downstream applications, including multiple production monitoring dashboards and a production model. Currently, 45 out of the 100 fields are utilized in at least one of these applications.

Given the highly nested schema and large number of fields, the data engineer is evaluating the optimal approach for schema declaration.

Which of the following statements about Delta Lake and Databricks provides relevant considerations for their decision-making process?

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