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Which option is best practice for creating a recovery catalog owner in the catalog database?（）
A:Granting UNLIMITED QUOTA on the SYSTEM tablespace to the owner
B:Allocating the SYSTEM tablespace as the default tablespace and granting the SYSDBA privilege to the user
C:Creating a new tablespace, allocating this as the default, and granting UNLIMITED QUOTA on this tablespace to the user
D:Allocating the SYSAUX tablespace as the default tablespace and granting UNLIMITED QUOTA on this tablespace to the user

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出自：Oracle认证

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