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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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.
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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 three statements are true concerning the multitenant architecture?（）AEach pluggable database (PDB) has its own set of background processes.BA PDB can have a private temp tablespace.CPDBs can share the sysaux tablespace.DLog switches occur only at the multitenant container database (CDB) level.EDifferent PDBs can have different default block sizes.FPDBs share a common system tablespace.GInstance recovery is always performed at the CDB level.
多选题Identify two correct statements about multitenant architectures.（）AMultitenant architecture can be deployed only in a Real Application Clusters (RAC) configuration.BMultiple pluggable databases (PDBs) share certain multitenant container database (CDB) resources.CMultiple CDBs share certain PDB resources.DMultiple non-RAC CDB instances can mount the same PDB as long as they are on the same server.EPatches are always applied at the CDB level.FA PDB can have a private undo tablespace.
多选题Which three statements are true concerning unplugging a pluggable database (PDB)?（）AThe PDB must be open in read only mode.BThe PDB must be dosed.CThe unplugged PDB becomes a non-cdb.DThe unplugged PDB can be plugged into the same multitenant container database (CDB)EThe unplugged PDB can be plugged into another cdb.FThe PDB data files are automatically removed from disk.
多选题Which three statements are true about using flashback database in a multitenant container database(CDB)?（）AThe root container can be flashed back without flashing back the pluggable databases (PDBs).BTo enable flashback database, the CDB must be mounted.CIndividual PDBs can be flashed back without flashing back the entire cdb.DThe DB_FLASHBACK RETENTION_TARGET parameter must be set to enable flashback of the cdb.EA CDB can be flashed back specifying the desired target point in time or an SCN, but not a restore point.