Câu 9: C2090-616: DB2 11.1 Fundamentals for LUW
Which of the following is TRUE about a COMMIT statement executed at the end of the T1 unit of work?
Nội dung câu hỏi
Which of the following is TRUE about a COMMIT statement executed at the end of the T1 unit of work?
Các lựa chọn
Đáp án được giữ gọn theo nhãn A, B, C, D trong phần bình chọn tương tác.
- A. A ROLLBACK command executed just after the COMMIT command cancels that COMMIT
- B. Save points defined during transaction T1 are released only if there is a RELEASE SAVEPOINT command executed after the COMMIT command
- C. It finishes the current T1 unit of work and a new one is initiated, however it is possible to ROLLBACK to the latest SAVEPOINT before COMMIT
- D. It finishes the current T1 unit of work and a new one is initiated. All changes made by UPDATE and DELETE commands during unit of work T1 are committed — đáp án hiện tại
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