Giventhatcisareferencetoavalidjava.io.Consoleobject,and:11.Stringpw=c.readPassword("%s","pw:");12.System.out.println("got"+pw);13.Stringname=c.readLine("%s","name:");14.System.out.println("got",name);Iftheusertypesfidowhenpromptedforapassword,andthenrespondsbobwhenpromptedforaname,whatistheresult?()
Anexceptionisthrownatruntime
B. pw:fidogotfidoname:bobgotbob
C. pw:gotfidoname:bobgotbob
D. Compilationfails.
查看答案
Verysoonyouwillbeperformingmaintenanceoperations.Youwouldhaveseveraljobstorunassoonasthemaintenanceperiodstarts.Whichmethodwouldyouusetocreatejobswithoutspecifyingthetimeperiodwhenthejobshouldberun?()
A. useDBMS_IJOBpackage
B. useOracleScheduler
C. useDBMS_JOBpackage
D. useOracleDataPumpExportandImport
对汽车整车厂来说,影响消费者满意度的主要因素一般是()
A. 随车附件
B. 交付能力
C. 产品性能、可靠性
D. 外观、价格
E. 服务
在20世纪,科学技术运行的社会特点是()
A. 科学技术的职业化
B. 科学技术运行的不平衡性
C. 科学、技术与社会的一体化
D. 技术创新成为科学技术社会运行的根本动力
WhichtwostatementsregardingcompressedbackupsinRecoveryManager(RMAN)aretrue?()
A. Backupcompressionisdisabledbydefault.
Backupcompressioncanbeusedwithbothbackupsetsandimagecopies.
C. BackupcompressioncannotbeenabledusingtheCONFIGUREcommand.
D. BackupcompressionworksonlyiftheCOMPATIBILITYparameterissetto9.0.0.0orhigher.
E. Backupcompressionappliestoonlybackupsets.
F. Backupcompressionappliestoonlyimagecopies.