下列关于设备更新的说法中，不正确的是（)。A．建筑物及相关的设施、设备在使用过程中会发生磨损，导致

A.WHEN

B.INFILE

C.CONTINUEIF

D.CONCATENATE

E.TRAILINGNULLCOLS

ER_DATAtablespacesisstored.Thedatabaseiscurrentlyopenandyouneedtorecoverthedatafiles.YouwillrestorethedatafilestoDISK2.WhatisthecorrectsequenceofRMANcommandstorestoreandrecoverthedatafiles？（）

A.A

B.B

C.C

D.D

A.ALTERDATABASEOPEN；

B.ALTERDATABASECLEARLOGFILE；

C.ALTERDATABASEOPENRESETLOGS；

D.ALTERDATABASEOPENNORESETLOGS；

A.ARCn

B.CKPT

C.DBWn

D.LGWR

E.PMON

F.SMON

A.NOCHECKSUM

B.MAXCORRUPT

C.CHECKLOGICAL

D.BACKUPINCREMENTAL

E.CONFIGUREDEVICETYPE...PARALLELISM

A.Onlytwodestinationsperremotedatabasecanbespecified.

B.DestinationisanOracleNetaliasspecifiedbyusingtheSERVICEkeyword.

C.TheREOPENattributemustbeusedwhenusingremotearchivelogfiledestinations.

D.Theservicenameisresolvedbysearchingsqlnet.orafilefortheremotedatabasename.

YouissuethisSQLcommandtoperformanonlinebackupoftheUSER_DATAtablespace：ALTERTABLESPACEuser_dataBEGINBACKUP；Next，youissueanoperatingsystemcommandtobackupuser_data01.dbf，thefilethatbelongstotheUSER_DATAtablespace.Youthenexperienceaninstancefailure.Whichthreestatementsaretrue？（）

A.A

B.B

C.C

D.D

E.E

A.final

B.static

C.native

D.public

E.private

Giventhefollowingsixmethodnames：add Listeneradd Mouse Listenerset Mouse Listenerdelete Mouse Listenerremove Mouse Listenerregister Mouse ListenerHowmanyofthesemethodnamesfollowJavaBeanListenernamingrules？（）

A.1

B.2

C.3

D.4

A.CHANGE

B.RESYNC

C.CATALOG

D.CROSSCHECK