单项选择题
In order to enable remote administration of users and tablespaces on an Oracle database, which of the following types of files must exist in the database?（）
A.Password file
B.Initialization file
C.Datafile
D.Control file
E.Nothing - SYSDBA privileges are not required for these actions
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A.DROP TABLE
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单项选择题
Yourapplicationregularlyissuesthefollowingstatement:SELECT*FROMBANK_ACCTWHEREACCT_BALANCEBETWEEN1000and10000;Whichofthefollowingdatabaseobjectswouldbeinappropriateforusewiththisstatement?（）
A.Materialized views
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Youareattemptingtoincreasethecheckpointintervalonyourdatabase.Eachofthefollowingchoiceswillaffectthedurationand/orfrequencyofcheckpoints,exceptone.Whichisit?（）
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