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单选题

Which statement is true about the UNDO_RETENTION parameter when retention guarantee is not enabled()

发布日期:2021-11-23

Which statement is true about the UNDO_RETENTION p...
A

It is the time period after which the undo data becomes obsolete.

B

It is the time period after which the committed undo data would be transferred to a temporary tablespace.

C

It is the minimum time period up to which the committed undo data would be retained if free undo space isavailable.

D

It is the time period after which the undo data is transferred to the Flash Recovery Area to provide readconsistency.

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