单选题In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer. Which statement is true?（）AThe CDB must be open.BThe CDB must be in the mount stage.CThe CDB must be in the nomount stage.DAlt existing PDBs must be closed.
单选题
In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer. Which statement is true?（）
A
The CDB must be open.
B
The CDB must be in the mount stage.
C
The CDB must be in the nomount stage.
D
Alt existing PDBs must be closed.
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单选题Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN. You want to issue the following RMAN command: RMAN BACKUP TABLESPACE hr_pdb:userdata; Which task should you perform before issuing the command?（）APlace the root container in ARHCHIVELOG mode.BTake the user data tablespace offline.CPlace the root container in the nomount stage.DEnsure that HR_PDB is open.
单选题Which statement is true concerning dropping a pluggable database (PDB)?（）AThe PDB must be open in read-only mode.BThe PDB must be in mount state.CThe PDB must be unplugged.DThe PDB data files are always removed from disk.EA dropped PDB can never be plugged back into a multitenant container database (CDB).
单选题Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN. Examine the following command and its output: You execute the following command: RMAN BACKUP DATABASE PLUS ARCHIVELOG; Which data files will be backed up?（）AData files that belong to only the root containerBData files that belong to the root container and all the pluggable databases (PDBs)CData files that belong to only the root container and PDB$SEEDDData files that belong to the root container and all the PDBs excluding PDB$SEED
单选题In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer. Which statement is true?（）AThe CDB must be open.BThe CDB must be in the mount stage.CThe CDB must be in the nomount stage.DAlt existing PDBs must be closed.
多选题Which two statements are true concerning the Resource Manager plans for individual pluggabledatabases (PDB plans) in a multitenant container database (CDB)?（）AIf no PDB plan is enabled for a pluggable database, then all sessions for that PDB are treated to an equal degree of the resource share of that pdb.BIn a PDB plan, subplans may be used with up to eight consumer groups.CIf a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups across all PDBs in the cdb.DIf no PDB plan is enabled for a pluggable database, then the PDB share in the CDB plan is dynamically calculated.EIf a PDB plan is enabled for a pluggable database, then resources are allocated to consumer groups based on the shares provided to the PDB in the CDB plan and the shares provided to the consumer groups in the PDB plan.
单选题In your multitenant container database (CDB) with two pluggable database (PDBs). You want to create a new PDB by using SQL Developer. Which statement is true?（）AThe CDB must be open.BThe CDB must be in the mount stage.CThe CDB must be in the nomount stage.DAlt existing PDBs must be closed.