单选题
You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement： SQL>ALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400； What is the outcome of this statement？ （）
发布日期：2020-04-10
The statement will not execute successfully.
The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 days
The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.
Backups will be deleted from the media after 400 days.
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