单选题

In which scenario do you use the Flashback Database feature?()

A when a table is dropped and you restore it from the Recycle Bin

B when a user’s schema is dropped and you recover the user’s schema

C when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestamp

D when a row of a table is updated frequently and committed, and you view all the versions of the row within a specific duration

正确答案

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