Animportanttablespaceofyourdatabaseisdropped&ens Animportanttablespaceofyourdatabaseisdroppedbymistake.YouusetheFlashbackDatabasefeaturetoretrievethetablespace.Youperformthefollowingstepstoretrievethetablespace：1.YoulogontoEnterpriseManagerasSYSDBA.2.Youselectthemaintenancescreen.3.YouchoosePerformRecoveryoptiononthemaintenancescreen.4.YouchooseWholeDatabaseintheObjectTypedrop-downlistPerformRecovery：Typescreen.5.YouchooseRecovertoCurrentTimefromtheOperationTypeonthePerformRecovery：Typescreen.6.YouprovidetheHostCredentialsforadatabaseuser.onthePerformRecovery：Typescreen.7.Youclickthecontinuebutton.Aninformationscreenappearssayingthatthedatabaseisunavailable.Whatisthisinformationscreen？（）
Animportanttablespaceofyourdatabaseisdropped&ens
Animportanttablespaceofyourdatabaseisdroppedbymistake.YouusetheFlashbackDatabasefeaturetoretrievethetablespace.Youperformthefollowingstepstoretrievethetablespace：
1.YoulogontoEnterpriseManagerasSYSDBA.
2.Youselectthemaintenancescreen.
3.YouchoosePerformRecoveryoptiononthemaintenancescreen.
4.YouchooseWholeDatabaseintheObjectTypedrop-downlistPerformRecovery：Typescreen.5.YouchooseRecovertoCurrentTimefromtheOperationTypeonthePerformRecovery：Typescreen.
6.YouprovidetheHostCredentialsforadatabaseuser.onthePerformRecovery：Typescreen.
7.Youclickthecontinuebutton.
Aninformationscreenappearssayingthatthedatabaseisunavailable.Whatisthisinformationscreen？（）
相关考题：
YouareplanningthemigrationofanexistingapplicationtoWindowsAzureandSQLAzure.ThecurrentapplicationincludesreportsthatarehostedbySQLServerReportingServices.Youneedtorecommendanapproachformigratingthereports.Whatshouldyourecommend？（）A.UseSQLAzuretohostclientreportdefinitions.B.UseSQLAzuretohostserverreportdefinitions.C.UseWindowsAzuretohostclientreportdefinitionsinanASP.NETwebpage.D.UseWindowsAzuretohostserverreportdefinitionsinanASP.NETwebpage.
在WindowsXP操作中,若鼠标指针变为“沙漏”状,表明()。 A.当前执行的程序出错，必须中止其执行B.系统正在工作，当前窗口内不能使用鼠标C.等待用户注意某个事项，并不影响计算机继续工作D.等待用户作出决定，以便继续工作
Refertotheexhibit.WhatisthesequenceofeventswhenaVoIPcallisplacedfromIPphoneP1toIPphoneP2?() A.RTPtrafficisexchangedbetweenIPphoneP1andIPphoneP2.IPphoneP1alertstheCCMofoff-hookstate.CCMinstructsIPphoneP1toprovidedialtone.IPphoneP1passesdigitstoCCM.CCMroutescalltoPSTNorIPphoneP2.B.CCMinstructsIPphoneP1toprovidedialtone.IPphoneP1alertstheCCMofoff-hookstate.IPphoneP1passesdigitstoCCM.CCMroutescalltoPSTNorIPphoneP2.RTPtrafficisexchangedbetweenIPphoneP1andIPphoneP2.C.CCMinstructsIPphoneP1toprovidedialtone.IPphoneP1alertstheCCMofoff-hookstate.IPphoneP1passesdigitstoCCM.RTPtrafficisexchangedbetweenIPphoneP1andIPphoneP2.CCMroutescalltoPSTNorIPphoneP2.D.IPphoneP1alertstheCCMofoff-hookstate.CCMinstructsIPphoneP1toprovidedialtone.IPphoneP1passesdigitstoCCM.CCMroutescalltoPSTNorIPphoneP2.RTPtrafficisexchangedbetweenIPphoneP1andIPphoneP2.
在中国,专业信息网络是中国网上信息资源的主力军,目前国内已经建成了一些专业的信息网络,其中()的缩写是CEINET。 A.中国经济信息网B.中国医学信息网C.国家科技信息网D.中国金桥信息网
如果一个C类网络用255.255.255.192划分子网,那么会产生多少个可用的子网()? A.2B.4C.6D.8