多项选择题

Which three types of information does the control file contain？（）

A.Current log sequence.
B.Recover tuning parameters.
C.Redo log names and locations.
D.Data file names and locations.
E.Undo segment names and locations.

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热门试题

单项选择题

YouareoperatingyourdatabaseinNOARCHIVELOGmode.Yourmostrecentbackupincludesacopyofallofthedatafilesandthecontrolfilestakenwhenthecurrentlogsequencenumberwas45.YouexperiencediskfailureonthedriveonwhichyourSYSTEMtablespacedatafilesarestored.Atthetimeofthefailure，thecurrentlogsequencenumberis98.WhichfilesshouldyourestoretorecoverfromthelossoftheSYSTEMtablespacedatafiles？（）

A.Only the data files.
B.All of the data files and the control files.
C.Only the data files belonging to the SYSTEM tablespace.
D.Only the data files belonging to the SYSTEM tablespace and the control files.

单项选择题

The SET CONTROLFILE AUTOBACKUP FORMAT command， which you can specify either within a RUN block or at the RMAN prompt， overrides the configured autobackup in the session only. What is the order of precedence？（） 1. SET within RUN 2. SET at RMAN prompt 3. CONFIGURE

A.1,2,3
B.2,3,1
C.3,2,1
D.There is no precedence between RUN and the RMAN prompt. Each will override CONFIGURE in the session.