试题详情
- 单项选择题 View the Exhibits.
You performed operations on the DEPT4 table as shown in the Exhibit. When you perform the FlashbackVersions Query， you find that the first two updates are not listed. What could be the reason？（） A、The row movement is not enabled on the table.
B、The first two updates were not explicitly committed.
C、The Flashback Versions Query lists only the most recent update.
D、The Flashback Versions Query stops producing rows after it encounters a time in the past when the table structure was changed.
- D
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