多项选择题
Which method could be utilized to identify both DML operations and the SQL statements needed to undo those operations for a specific schema owner?()
A.A B.B C.C D.D
A. All the triggers are disabled. B. All the triggers are enabled by default. C. Enabled triggers remain enabled and disabled triggers remain disabled. D. Triggers are deleted when a Flashback Table operation is performed.
A. An SCN is never used to perform a Flashback Table recovery. B. If a significant number of changes have been made to the table, row movement must be enabled. C. The tablespace must be offline before performing a Flashback Table recovery. D. Flashback Table recovery is completely dependent on the availability of undo data in the undo tablespace.