本文详细解析了Oracle Flashback Database功能所依赖的关键技术，即闪回日志（Flashback logs），这些日志位于闪回恢复区。文章指出，与之相关的闪回数据归档、闪回活动和撤销表空间并非必需，且无需使用RMAN命令行进行恢复，DBA可直接在SQL Plus中执行Flashback Database命令来恢复到特定时间点。
Flashback Database relies on which technologies to recover to a point in time?
A. Flashback Data Archive
B. Flashback logs in the flash recovery area
C. FlashbUndo tablespace
D. RMAN command line
E. None of the above
Falshback Database relies on flashback logs in the flash recovery area.The Falshback Data Active and Undo tablespace are not required.The RMAN command line is not required to recover to a flashback point;the DBA can execute the Flashback Database command from within SQL Plus.
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