多项选择题
A.Bitmap indexes.
B.Reverse key indexes.
C.Function-based indexes.
D.Key-compressed indexes on regular tables.
E.Key-compressed indexes on IOT （including secondary indexes）
多项选择题 WhenperformingincompleterecoveryusingUNTILSEQUENCEwithRMAN，whichtwopiecesofinformationarerequired？（）
单项选择题 Whichbackgroundprocessreadstheredologbufferandwritesittoafile？（）
单项选择题 You have performed the first step in placing your database into ARCHIVELOG mode. The second step is deciding whether the online redo log files are to be archived automatically or manually. Which action should you take to enable archiving at instance startup？（）