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问题:

[多选] Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?()

A . BACKUP PLUGGABLE DATABASE PDB1 while connected to the root container
B . BACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 container
C . BACKUP DATABASE while connected to the PDB1 container
D . BACKUP DATABASE while connected to the boot container
E . BACKUP PLUGGABLE database PDB1 while connected to PDB2

概算价是合同价的上限,是无论什么原因都不能被突破的。 地下防水工程卷材防水层的施工质量检验数量,应按铺贴面积每()抽查一处,每处10m2,且不得少于3处。 50m2。 100m2。 200m2。 500m2。 Which two statements are true about InnoDB auto-increment locking?() The auto-increment lock can be a table-level lock。 InnoDB never uses table-level locks。 Some settings for innodb_autoinc_lock_mode can help reduce locking。 InnoDB always protects auto-increment updates with a table-level lock。 Which dependent object will get invalidated even if it is not affected by the table edefinition?()  packages。  triggers。  synonyms。  view。 You are connected to Recovery Manager (RMAN) without a recovery catalog. There is no copy of the control file available. You want to restore the control file from an autobackup. To retrieve the autobackup, you need the database ID (DBID). In which two sources would you find the DBID? ()  the alert log file。  the server parameter file。  the formatted name of a control file autobackup。  an RMAN session log file。  the trace file。 Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?()
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