单项选择题
A.The trace file
B.The fixed views
C.The data dictionary views
D.The operating system log fields
E.The dynamic performance views.
单项选择题 YouworkasadatabaseadministratorforCertkiller.com.Thedatabaseisopen.Amediafailurehasoccurred,resultinginlossofallthecontrolfilesinyourdatabase.Whichstatementregardingthedatabaseinstanceistrueinthisscenario?()
多项选择题 Youareworkingonatestdatabasewhereinstancerecoverytakesaconsiderableamountoftime.Howcanreducetherecoverytime?()
单项选择题 YouworkasadatabaseadministratorforCertkiller.com.UsersintheCertkiller.comPRODdatabasecomplainabouttheslowresponseoftransactions.Whileinvestigatingthereasonyoufindthatthetransactionsarewaitingfortheundosegmentstobeavailable,andundoretentionhasbeensettozero.Whatwouldyoudotoovercomethisproblem?()