Inwhichofthefollowingscenariosisatablespacerecoveryrequired?() A.whenrecoveringalostread-onlytablespacefromaread-onlytablespacebackupB.whenrecoveringalostread-onlytablespacefromaread-writetablespacebackupwhenthedatabaseisrunninginARCHIVELOGmodeC.whenrecoveringalostread-onlytablespacefromaread-writetablespacebackupwhenthedatabaseisrunninginNOARCHIVELOGmodeandthechangesintheonlineredologfileshavebeenoverwrittenD.whenrecoveringalostread-onlytablespacefromaread-onlytablespacebackupusingthebackupofthecontrolfile，thecontrolfilewascreatedusingtheALTERDATABASEBACKUPCONTROLFILETOTRACEstatement，andthisstatementwasissuedwhenthetablespacewasread-only
Inwhichofthefollowingscenariosisatablespacerecoveryrequired?()
A.whenrecoveringalostread-onlytablespacefromaread-onlytablespacebackup
B.whenrecoveringalostread-onlytablespacefromaread-writetablespacebackupwhenthedatabaseisrunninginARCHIVELOGmode
C.whenrecoveringalostread-onlytablespacefromaread-writetablespacebackupwhenthedatabaseisrunninginNOARCHIVELOGmodeandthechangesintheonlineredologfileshavebeenoverwritten
D.whenrecoveringalostread-onlytablespacefromaread-onlytablespacebackupusingthebackupofthecontrolfile，thecontrolfilewascreatedusingtheALTERDATABASEBACKUPCONTROLFILETOTRACEstatement，andthisstatementwasissuedwhenthetablespacewasread-only