Oracle OCP 19c 认证1Z0-083考试题库（第6题）
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我要咨询Oracle OCP 19c 认证1Z0-083考试题库(第6题)-CUUG内部学员版083题库解析
6、Which two are prerequisites for performing Flashback Transaction?
A) Fast Recovery Area must be enabled for the database.
B) The EXECUTE privilege must be granted to a user on the DBMS_FLASHBACK package.
C) Undo retention guarantee must be configured for the database.
D) A supplemental log must be enabled for the primary key.
E) Row movement must be enabled.
Answer ：BD
(解析：闪回事务的前提条件必须打开 upplemental log 功能，同时必须有执行DBMS_FLASHBACK 的权限。)
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