OCP 12c考試考3科，分別是071、062、063，之前071和062都已經(jīng)做過解析，這里開始063題庫解析，希望對考063的同學有幫助，順利通過063考試。

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27題、Which three conditions must be met before you create a Virtual Private Catalog (VPC)?

A. A base recovery catalog should exist.

B. The owner of VPC cannot own recovery catalog.

C. At least one target database should be registered in the recovery catalog.

D. The register database privilege should be granted to the virtual catalog owner.

E.The recovery_catalog_owner role should be granted to the virtual catalog owner.

Answer: C,D,E

Explanation:

(解析：創(chuàng)建 用戶(作為虛擬用戶) ，并給 虛擬用戶 分配需要維護的 target 數(shù)據(jù)庫;053題庫出現(xiàn)過。

SQL> create user vpc1 identified by password default tablespace rmancatalog_tablespace;

SQL> GRANT recovery_catalog_owner TO vpc1; --授給相應的角色

RMAN> CONNECT CATALOG catowner/password@catalog_ORCL;

RMAN> GRANT CATALOG FOR DATABASE prod1 TO vpc1; --授給相應的權(quán)限，同時必須有目標數(shù)據(jù)庫已注冊

RMAN> CONNECT CATALOG vpc1/password@catalog_ORCL;

RMAN> CREATE VIRTUAL CATALOG;

)