You are analyzing how Oracle processes user statements. SQL and PL/SQL parse information is stored in which of the following database memory areas? （）

单项选择题Youaredesigningthephysicaldatabaselayoutonyourhostmachine.WhatistherelationshipbetweentablespacesanddatafilesintheOracledatabase?（）

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

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 

单项选择题YouareidentifyingdictionaryobjectsintheOracledatabase.Whichofthefollowingisaviewinthedatadictionary?（）

A.V$DATABASE 
B.DBA_TABLES 
C.SYSAUD$ 
D.EMP