CMS专题
单选题Which of the following statements best describes Flashback Versions Query？（）AFlashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.BFlashback Versions Query is used to view all version cha
题目
Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.
Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.
Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.
Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
参考答案和解析
相似问题和答案
第1题：
Which of the following statements best describes a Pre-sales Solution Assurance Review？（）
- A、An account team proposal review
- B、An installation planning meeting
- C、A solution design development methodology
- D、A technical inspection of a completed solution design
正确答案:D
第2题：
Which of the following BEST describes a benefit of RAID 0?（）
- A、High fault tolerance
- B、Ease of failure recovery
- C、High performance
- D、No configuration
正确答案:C
第3题：
Which of the following BEST describes a hub?（）
- A、Determines the best route to transmit data
- B、Inspects traffic and accepts or declines transmission
- C、Broadcasts data to specific network devices
- D、Broadcasts data to all network devices
正确答案:D
第4题：
Polite.
Patient.
Changeable.
Clever.
从整篇文章推理来看，因为护士监督不让去看病人，她假装清洁工去拖地，从而看到了病人，达到了想要的结果。因此妈妈是很聪明的。
第5题：
Over the course of a day，a department performed multiple DML statements （inserts， updates， deletes） on multiple rows of data in multiple tables. The manager would like a report showing the time， table name，and DML type for all changes that were made. Which Flashback technology would be the best choice to produce the list？（）
- A、 Flashback Drop
- B、 Flashback Query
- C、 Flashback Transaction Query
- D、 Flashback Versions Query
- E、 Flashback Table
正确答案:C
第6题：
Which of the following BEST describes RAID 10？（）
- A、 Mirroring with striping
- B、 Mirroring with fault tolerance
- C、 Striping
- D、 Striping with distributed parity
正确答案:A
第7题：
Which of the following BEST describes RAID 1?（）
- A、Mirroring
- B、Striping
- C、Striping with parity
- D、Striping with mirroring
正确答案:A
第8题：
Which of the following statements best describes Flashback Versions Query？（）
- A、 Flashback Versions Query is used to make changes to multiple versions of data that existed between two points in time.
- B、 Flashback Versions Query is used to view all version changes on rows that existed between the time the query was executed and a point in time in the past.
- C、 Flashback Versions Query is used to view version changes and the SQL to undo those changes on rows that existed between two points in time.
- D、 Flashback Versions Query is used to view all version changes on rows that existed between two points in time.
正确答案:D
第9题：
Intake manifold pressure will be high
Intake manifold pressure will be unaffected
Exhaust temperatures will be high
Exhaust temperatures will be low
第10题：
minimal pair
phonemic contrast
Closed class words
Bound morphemes