单项选择题
YouaremaintainingyourdatabaseinOracle10g.YoufindthattheINDEXESindextablespaceshouldberecovered.Howwillyourecovertheindextablespace?()
A.byusingtheFlashbackDatabasefeature
B.byusingRMANincompleterecovery
C.byperformingauser-managedincompleterecovery
D.bydroppingandre-creatingtheindextablespace