单项选择题

You are trying to alter the initial segment size given to a table in a dictionary-managed tablespace. Which of the following keywords would be used as part of this process?（）

A.DROP TABLE
B.ALTER TABLE
C.RESIZE
D.COALESCE

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单项选择题

Yourapplicationregularlyissuesthefollowingstatement:SELECT*FROMBANK_ACCTWHEREACCT_BALANCEBETWEEN1000and10000;Whichofthefollowingdatabaseobjectswouldbeinappropriateforusewiththisstatement?（）

A.Materialized views
B.Indexes
C.Index-organized tables
D.Hash clusters

单项选择题

Youareattemptingtoincreasethecheckpointintervalonyourdatabase.Eachofthefollowingchoiceswillaffectthedurationand orfrequencyofcheckpoints,exceptone.Whichisit?（）

A.Size of redo logs
B.Number of datafiles
C.LOG_CHECKPOINT_INTERVAL
D.LOG_CHECKPOINT_TIMEOUT

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