考题
Youhavecreatedascriptintherecoverycatalogcalledbackup_database.Whichofthefollowingcommandswouldsuccessfullyexecutethatscript?()
A.run{openscriptbackup_database;runscriptbackup_database}B.run{engagescriptbackup_database;}C.run{runscriptbackup_database;}D.Run{executescriptbackup_database;}E.Thenamebackup_databaseisaninvalidnameforanRMANscript.TryingtorunitfromRMAN wouldresultinanerror.
考题
Youexecutedthefollowingcommandtostartthedatabase:SQLSTARTUPORACLEinstancestarted.TotalSystemGlobalArea281018368bytesFixedSize789000bytesVariableSize229635576bytesDatabaseBuffers50331648bytesRedoBuffers262144bytesORA-00205:errorinidentifyingcontrolfile,checkalertlogformoreinfoWhichviewwouldyouqueryatthisstagetoinvestigatethismissingcontrolfile?()A.V$INSTANCEB.V$CONTROLFILEC.DBA_CONTROL_FILESD.V$DATABASE_PROPERTIESE.V$CONTROLFILE_RECORD_SECTION
考题
At10:30A.M.,youranabatchjobbymistake,whichexecutedatransactioninthedatabase.Thetransactionidentifierofthetransactionthatmadetothechangesinthedatabaseis0500A00627B000.At11:10A.M.,youstoppedthebatchjob.Now,youwanttoidentifythechangesmadetothedatabasetablesbythebatchjob.Whichviewwillyouquery?()A.DBA_PENDING_TRANSACTIONSB.DBA_AUDIT_STATEMENTC.V$FLASHBACK_DATABASE_STATSD.FLASHBACK_TRANSACTION_QUERY
考题
JAVA File类执行下面这段程序为什么会出现异常 File file=new File(args[0]); 这句是什么意思??
importjava.io.*;importjava.util.*;publicclassFileClass{/***@paramargs*/publicstaticvoidmain(String[]args){//TODOAuto-generatedmethodstubtry{Filefile=newFile(args[0]);System.out.println(args[0]+"文件");if(file.isFile()){//是否为文件System.out.print(file.canRead()?"可读":"不可读");System.out.print(file.canWrite()?"可写":"不可写");System.out.print(file.length()+"字节");//注意不能调用数组类型File[]的length()例:File[]files=file.listFiles();不可以这么调用filess.length()}else{//列出所有文件及目录File[]files=file.listFiles();ArrayListFilefileList=newArrayListFile();for(inti=0;ifiles.length;i++){//先列出目录if(files[i].isDirectory()){//是否为目录//取得路径名System.out.println("路径"+"["+files[i].getPath()+"]");}else{//文件先存入fileList,待会再列出fileList.add(files[i]);}}//列出文件for(Filef:fileList){System.out.println(f.toString());}System.out.println();}}catch(ArrayIndexOutOfBoundsExceptione){System.out.println("using:javaFileDemopathname");}}}结果:using:javaFileDemopathname是不是创建的对象所代表的文件没有被创建成功
考题
You.createWindows.Forms.applications.by.using.the.NETFramework3.5.YouplantousetheWindowsInstallertodeployanewapplication.Theapplicationmustmeetthefollowingrequirements:(1)Supportdeploymentto32bitand64bitoperatingsystems(2)Usethe64bitProgramFilesfolderwhendeployedto64bitplatformsYouneedtoensurethattheapplicationisdeployedappropriately.Whatshouldyoudo?()A.CreateasingleMSIfile.AddalaunchconditionthatissettoVersionNT64B.CreateasingleMSIfile.AddalaunchconditionthatissettoNOTVersionNT64C.CreateanMSIfilethatistargetedto64bitplatforms.CreateanMSIfilethatistargetedto32bitplatformsD.CreateasingleMSIfile.Createamergemodulethatcontainsthe32bitand64bitcode
考题
当启动一个Oracle实例时,初始化参数()指出为数据文件信息保留的SGA空间的数量。
A.DB_FILESB.DB_DATAFILESC.DATABASE_FILESD.LOG_FILES
考题
Mother hasn’t much money and it is only by good__________that she is able to buy all we need.A.managesB.manageC.managementD.managing
考题
Because administering the whole company,he sometimes has to work around the clock.A:.adjustingB:evaluatingC:engagingD:managing
考题
下列定义的外部中断0函数正确的是()。A.void int0() interrupt 1 using 0B.void int0() interrupt 0 using 0C.void int0() interrupt 2 using 0D.void int0() interrupt 3 using 0
考题
下列定义的外部中断0函数正确的是()。A.void int0() interrupt 0 using 0B.void int0() interrupt 1 using 0C.void int0() interrupt 3 using 0D.void int0() interrupt 3 using 0