A.A
B.B
C.C
D.D
E.E
第1题
A.Theunitofversioningistheschema.
B.ItispossibletoversionenableatablepertainingtoSYS.
C.Thereareasmanysegmentsasversionsforthesamebasetable.
D.Itispossibletocreateworkspacesifthereisnoversion-enabledtableinthedatabase.
第2题
A.OracleFlashbackusesundoinformationtoconstructconsistentdata.
B.YoucanuseacursoropenedwhileusinganOracleFlashbackimagetoperformDMLonceyoudeactivateOracleFlashbackinyoursession.
C.YoucanonlyuseOracleFlashbackviewofthedataiftherequiredrecordsarestillintheonlineredologfiles.
D.OracleFlashbackliststheDMLthatwasexecutedduringtheperiodyouidentifywheninitiatingyoursession.
第3题
A.Removeline14.
B.Replaceline14with"inti=iter.next();".
C.Replaceline13with"for(inti:intList){".
D.Replaceline13with"for(Iteratoriter:intList){".
E.Replacethemethoddeclarationwith"sum(List
第4题
SCRIPTION column changed to hold varying length characters up to 1000 bytes. The column can currently hold 500 bytes per value. The table contains 20000 rows. Which statement is valid?()
A.ALTER TABLE commercials MODIFY (description CHAR2(1000));
B.ALTER TABLE commercials CHANGE (description CHAR2(1000));
C.ALTER TABLE commercials CHANGE (description VARCHAR2(1000));
D.ALTER TABLE commercials MODIFY (description VARCHAR2(1000));
E.You cannot increase the size of a column if the table has rows.
第6题
A.V$UNDOSTAT
B.V$TRANSACTION
C.V$ROLLSTAT
D.DBA_UNDO_EXTENTS
E.DBA_ROLLBACK_SEGS
第7题
table’sprimarykeyisstoredintheINDXtablespace.Outof12partitions,onlypartitionP1oftheSALEStableisstoredintheSAMPLEtablespace.Whichobjectwillbeexportedbythiscommand?()expsystem/managertablespaces=SAMPLE
A.OnlytheEMPLOYEEStable.
B.OnlytheEMPLOYEEStableanditscorrespondingprimarykeyindex.
C.TheEMPLOYEEStableandpartitionP1.
D.TheEMPLOYEEStable,IPK_EMPindex,andtheSALEStable.
第8题
stalled.BobiscurrentlyabletorunaJavachessprogramstartingfromhishomedirectory/home/bobusingthecommand:java-classpath/test:/home/bob/downloads/*.jargames.ChessBob’sCLASSPATHisset(atlogintime)to:/usr/lib:/home/bob/classes:/opt/java/lib:/opt/java/lib/*.jarWhatisapossiblelocationfortheChess.classfile?()
A./test/Chess.class
B./home/bob/Chess.class
C./test/games/Chess.class
D./usr/lib/games/Chess.class
E./home/bob/games/Chess.class
第9题
A.OracleManagedFilesareusedforthisinstance.
B.TheUSER_DATAtablespaceismanagedusingFET$/UET$tables.
C.TheCOMPATIBLEinitializationparametermustbe9.0.0orhigher.
D.SpacewithinsegmentsintheUSER_DATAtablespaceismanagedwithfreelists.
第10题
A.UsetheDROPDATAFILEcommand.
B.UsetheDROPTABLESPACEcommand.
C.EnsurethatalldatabasefilesareOracleManagedFilesbeforeusingtheDROPTABLESPACE command.
D.EnsurethattheDB_FILE_CREATE_DESTinitializationparameterissetbeforeusingtheDROP TABLESPACEcommand.
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