Câu 50: Databricks Certified Data Engineer Professional

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?

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 B. The customers table is implemented as a Type 2 table; old values are maintained but marked as no longer current and new values are inserted.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