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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. 

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出自：Oracle认证

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