Oracle OCP 19c 认证1Z0-083考试(第46题)

Posted 2021-07-09 itsaka

Which three statements are true about Flashback Data Archive?

A)    To use Flashback Data Archive, users must have unlimited quota on the Flashback Data Archive tablespace.

B)    To enable Flashback Data Archive for a table, it is mandatory to have a default Flashback Data Archive for a database.

C)    While enabling Flashback Data Archive for a table, if no name is provided for Flashback Data Archive, it is enabled using the default Flashback Data Archive.

D)    A table enabled for Flashback Data Archive cannot be dropped unless Flashback Data Archive is disabled or disassociated first.

E)    Flashback Data Archive prevents flashback queries from getting a snapshot-too-old error.

Answer:CDE

(解析:闪回数据归档,不需要一定要建立默认闪回数据归档区;闪回数据归档区表空间的 使用是在创建闪回数据归档的时候指定了 quota,而不需要在用户这一级使用。)