A. parallel image copy backupB. backup with MAXPIECESIZ……

单项选择题Which statement is true regarding virtual private catalogs?（）

A. A virtual private catalog owner can create a local stored script, and have read/write access to a global stored script.
B. The virtual private catalog owner cannot create and modify the stored scripts.
C. The set of views and synonyms that make up the virtual private catalog is stored in the schema of the RMAN recovery catalog owner.
D. To perform most of the RMAN operations, the virtual catalog owner must have the SYSDBA or SYSOPER privilege on the target database

多项选择题WhatisthepurposeoftheRMANrecoverycatalog？（）

A. It must be used because all RMAN-related backup and recovery metadata information is contained in it.
B. It provides a convenient， optional， repository of backup- and recovery-related metadata.
C. It provides the ability to store RMAN scripts for global use by any database that has access to the repository.
D. It provides a means of storing all RMAN backup sets physically in an Oracle database server. 
E. It provides the ability to store backup records for more than a year.

多项选择题In Oracle 11g, which recommendations does the SQL Access Advisor generate? （）(Choose all that apply.)

A. partitioning recommendations
B. statistics collection recommendations
C. index creation recommendations
D. materialized view recommendations
E. materialized view log recommendations

单项选择题You issue the following command：   RMAN>CONFIGURE BACKUP OPTIMIZATION ON；   What is the result of this command on your backups？（）

A. An incremental backup strategy will be used automatically.
B. Read-only datafiles will not be backed up as long as backups of those files already exist and those backups meet established retention criteria.
C. RMAN will configure itself for maximum performance at the cost of CPU.
D. RMAN will configure itself for minimal OS/CPU impact at the cost of time to back up the database.
E. RMAN will automatically compress backups.

单项选择题Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?（）

A. Segment Advisor
B. SQL Access Advisor
C. Undo Advisor
D. SQL Tuning Advisor