Exam Databricks-Certified-Data-Engineer-Professional Topic 1 Question 145 Discussion

Actual exam question for Databricks's Databricks-Certified-Data-Engineer-Professional exam
Question #: 145
Topic #: 1

The view updates represents an incremental batch of all newly ingested data to be inserted or updated in the customers table.
The following logic is used to process these records.

Which statement describes this implementation?

A. The customers table is implemented as a Type 0 table; all writes are append only with no changes to existing values. B. The customers table is implemented as a Type 2 table; old values are overwritten and new customers are appended. C. The customers table is implemented as a Type 3 table; old values are maintained as a new column alongside the current value. D. The customers table is implemented as a Type 2 table; old values are maintained but marked as no longer current and new values are inserted. E. The customers table is implemented as a Type 1 table; old values are overwritten by new values and no history is maintained.

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