多项选择题

Online index rebuild functionality has been extended to include which four index structures？（）

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）

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多项选择题WhenperformingincompleterecoveryusingUNTILSEQUENCEwithRMAN，whichtwopiecesofinformationarerequired？（）

A.Thread number.
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D.Name of the last archived log.

单项选择题Whichbackgroundprocessreadstheredologbufferandwritesittoafile？（）

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A.A
B.B
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A.A
B.B
C.C
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A.A
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C.C
D.D