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.
第1题：
Which of the following statements best describes a Pre-sales Solution Assurance Review？（）
第2题：
Which of the following BEST describes a benefit of RAID 0?（）
第3题：
Which of the following BEST describes a hub?（）
第4题：
Polite.
Patient.
Changeable.
Clever.
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？（）
第6题：
Which of the following BEST describes RAID 10？（）
第7题：
Which of the following BEST describes RAID 1?（）
第8题：
Which of the following statements best describes Flashback Versions Query？（）
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