ocp-331

QUESTION NO: 331
Which of the following is a prerequisite for running DBMS_TDB.CHECK_DB to a successful completion?

A. The database must be in read-write mode.
B. The database must have no external files.
C. The database must open in read-only mode.
D. The database must be mounted but not opened.
Answer: C
The DBMS_TDB package reports whether a database can be transported between platforms using the
RMAN CONVERT DATABASE command. The DBMS_TDB.CHECK_DB function must execute with the database open and in
readonly mode.
http://blog.itpub.net/post/29894/451438

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下列哪项是一个运行DBMS_TDB.CHECK_DB一个成功完成的先决条件？

C. 数据库必须以只读模式打开。

DBMS_TDB包报告数据库是否可以使用RMAN转换数据库命令

在平台之间传输。DBMS_TDB.CHECK_DB函数必须打开数据库，并以只读模式执行。