试题详情
- 多项选择题You work as a database administrator for Supportcenter.cn. One of the database users accidentally deleted all the rows of a critical table and committed the delete at 1：30 p.m. You senior database administrator， SupportCenter， asks you to retrieve the lost data. Which two actions would you use to ensure that there is no impact on other connected users while retrieving the deleted rows？（）
A、Use a flashback query to retrieve the rows that were deleted
B、Useconventialincremental export and then import the affected object
C、Shutdown the database inNORMALmode and restart the database instance
D、Use DBMS_META package to reconstruct the object using undo segments
E、UseTablespacePoint in Time Recovery （TSPITR） method to recover the table and the data
F、Use Oracle DataPumptwithflashback_timeoption toentableflashback export and then import the affected object.
- B,E
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