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