You disabled the Flashback Database feature by using the following command: SQL> ALTER DATABASE FLASHBACK OFF; What would be the effect of this command on the existing flashback logs?()
A. Flashback logs are not deleted.
B. Flashback logs are deleted automatically.
C. Flashback logs are deleted only if you are using Recovery Manager (RMAN)
D. Flashback logs are deleted only if you are using Oracle Manager Files (OFM)
E. Flashback logs are deleted only if you are using Automatic Storage Management (ASM)
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词人贺铸才华洋溢,但是身份不高,其曾深爱一名歌姬,但却无力带她远走高飞,这位歌姬曾经写诗给贺,其中有句:深恩纵似丁香结,难展芭蕉一寸心!该句化用了唐代的何人何诗?
纳税人或者其代理人未在指定日期到税务机关办公场所接受询问的,视为拒绝约谈,在规定期限内以合理理由提出延期并经税务机关同意或者不可抗力造成无法接受询问除外。
A. 正确
B. 错误