单项选择题
You are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?（）
A.One tablespace has only one datafile
B.Many tablespaces can share one datafile
C.One tablespace can have many datafiles
D.One datafile can contain many tablespaces
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相关考题
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单项选择题
Duringregulardatabaseoperation,whichbackgroundprocesswilltakesmallerblocksoffreespaceinadictionary-managedtablespaceandmovethingsaroundtomakebiggerpiecesoffreespace?（）
A.DBW0
B.LGWR
C.ARCH
D.SMON
E.PMON -
单项选择题
Youareconfiguringyourindextobestoredinatablespace.WhichofthefollowingstorageparametersareNOTappropriateforindexes?（）
A.OPTIMAL
B.INITIAL
C.PCTINCREASE
D.NEXT -
单项选择题
ouareimplementingcontrolfilemultiplexing.WhichofthefollowingchoicesidentifiesthemethodyoucanuseinordertogeneratethecontrolfilecopiesthatOraclewillmaintain?（）
A.Issue ALTER DATABASE BACKUP CONTROLFILE TO filename
B.Make a copy of the control file with the database shut down
C.Issue ALTER DATABASE BACKUP CONTROLFILE TO trace
D.Make a copy of the control file with the database still running
