Which two are true about creating RMAN backups for an Oracle container database（）?
A、Control file backups can be created while connected to cdb$root
B、The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT
C、Online Redo Log backups can be created while connected to CDB$ROOT.
D、Control file backups can not be created while connected to a PPB.
E、Archived Redo Log backups can be created while connected to PDBhttp://www.cndba.cn/hbhe0316/article/108627

答案:AB
A.backup current controlfile;
B.RMAN>backup validate tablespace pdb01:tbs01;http://www.cndba.cn/hbhe0316/article/108627http://www.cndba.cn/hbhe0316/article/108627http://www.cndba.cn/hbhe0316/article/108627http://www.cndba.cn/hbhe0316/article/108627

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