单项选择题
You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（）
A.RMAN> BACKUP DURATION 2:00 MINIMIZE LOAD DATABASE
B.RMAN> BACKUP DURATION 2:00 PARTIAL FILESPERSET 1 DATABASE
C.RMAN> BACKUP DURATION 2:00 PARTIAL MINIMIZE TIME DATABASE
D.RMAN> BACKUP AS COPY DURATION 2:00 PARTIAL MINIMIZE LOAD DATABASE
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单项选择题
YouhavethreetemporarytablespacegroupsnamedG1,G2,andG3inyourdatabase.Youarecreatinganewtemporarytablespaceasfollows:CREATETEMPORARYTABLESPACETEMP1TEMPFILE/u1/data/temp1.dbf SIZE10MTABLESPACEGROUP;Whichstatementregardingtheabovecommandiscorrect?（）
A.It will create the tablespace TEMP1 in group G1
B.It will create the tablespace TEMP1 in group G3
C.It will not add the tablespace TEMP1 to any group
D.It will create the tablespace TEMP1 in the default group
E.It will throw an error with message 'specified group is not available
F.It will create a new group with a system-generated name and add the tablespace TEMP1 to it.
