多项选择题

A. Multitenant architecture can be deployed only in a R……

Identify two correct statements about multitenant architectures.（）

A. Multitenant architecture can be deployed only in a Real Application Clusters (RAC) configuration.
B. Multiple pluggable databases (PDBs) share certain multitenant container database (CDB) resources.
C. Multiple CDBs share certain PDB resources.
D. Multiple non-RAC CDB instances can mount the same PDB as long as they are on the same server.
E. Patches are always applied at the CDB level.
F. A PDB can have a private undo tablespace.

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多项选择题What are two benefits of installing Grid Infrastructure software for a stand-alone server before installing and creating an Oracle database?（）

A. Effectively implements role separation
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