本博客讨论了数据库管理员(DBA)在哪些情况下需要执行恢复操作，包括表空间意外删除、硬盘损坏等场景。
7: In which of the scenarios will the DBA perform recovery? (Choose all that apply.)
A.The alert log file is corrupted.
B.A tablespace is accidentally dropped.
C.One of the redo log members is corrupted.
D.A database user terminates the session abnormally.
E.The hard disk on which the data file is stored is corrupted.
Correct Answers: B E
那种情况需要DBA执行恢复操作？
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