You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? ()(Choose two)

A . You must configure block change tracking file B . You must have first level 1 backups for RMAN to restore blocks C . You must ensure that the SALES database is mounted or open D . You must have full or level 0 backups for RMAN to restore blocks E . You must take the tools01.dbf data file offline before you start a block media recovery

时间:2022-10-29 01:31:30 所属题库:1Z0-053题库

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