单项选择题

The database is configured for automatic archive logging. Along with the other required parameters， this entry is in the initialization file：log_archive_dest2="SERVICE=standby_db1 MANDATORY REOPEN=600" From where does the database resolve standby_db1？（）

A.control file
B.tnsnames.ora
C.data dictionary
D.initialization parameter file

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单项选择题

RMAN automatically propagate information about the database structure， archived redo logs， backup sets， and data file copies into the recovery catalog from the target database’s control file. This information can also be propagated to the catalog manually by using the （）command.

A.LIST
B.SWITCH
C.VALIDATE
D.CONFIGURE
E.RESYNC CATALOG
F.UPGRADE CATALOG

多项选择题

Which three features are provided by Recovery Manager and NOT provided by user-managed backup and recovery？（）

A.Online backups.
B.Skipping unused block.
C.Partial database backups.
D.Incremental block-level backup.
E.Detection of corrupted blocks during backup.

多项选择题

Which two SQL*Loader instructions are used to assemble logical records？（）

A.WHEN
B.INFILE
C.CONTINUEIF
D.CONCATENATE
E.TRAILING NULLCOLS