A. help topic
B. help reference
C. help apropos
D. help tip
第1题:
There is a slight infection in the lung, which ________ is not serious.
A of itself
B to itself
C in itself
D on itself
第2题:
A) when
B) how
C) that
D) which
第3题:
第4题:
YouaremanaginganOracleDatabase11gdatabaserunninginARCHIVELOGmode.TheFlashRecoveryAreaisspecifiedasthedestinationforthearchivedredologfiles.Younoticethiswarninginthealertlogfile:ORA-19815:WARNING:db_recovery_file_dest_sizeof3221225472bytesis100.00%used,andhas0remainingbytesavailable.WhatwouldyoudotoreclaimtheusedspaceintheFlashRecoveryArea()
A.BackuptheFlashRecoveryArea.
B.Decreasetheretentiontimeforthedatabasebackupandflashbacklogfiles.
C.ManuallydeleteallthearchivedlogfilesfromtheFlashRecoveryAreabyusingoperatingsystem(OS)commands.
D.ManuallydeletealltheexpiredbackupsetsfromtheFlashRecoveryAreabyusingoperatingsystem(OS)commands.
第5题:
[A] that [B] which [C] than [D] as
第6题: