Câu 36: Databricks Certified Data Engineer Professional
A junior data engineer on your team has implemented the following code block. The view new_events contains a batch of records with the same schema as the events Delta table. The event_id field serves as a unique key for this table. When this query is executed, what will happen with new records that have the same event…
Nội dung câu hỏi
A junior data engineer on your team has implemented the following code block. The view new_events contains a batch of records with the same schema as the events Delta table. The event_id field serves as a unique key for this table. When this query is executed, what will happen with new records that have the same event_id as an existing record?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. They are merged.
- B. They are ignored. — đáp án hiện tại
- C. They are updated.
- D. They are inserted.
- E. They are deleted.
Cộng đồng
0 bình luận công khai. Tên thành viên được ẩn một phần.