单选题Which statement is true about a whole consistent database backup on a database running in ARCHIVELOGmode（）AThe backup will consist of used data blocks only.BThe database must be shut down to accomplish the backup.CThe backup can be accomplished without
题目
单选题
Which statement is true about a whole consistent database backup on a database running in ARCHIVELOGmode（）
A
The backup will consist of used data blocks only.
B
The database must be shut down to accomplish the backup.
C
The backup can be accomplished without shutting down the database.
D
The backup will contain all database files that have never been backed up
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参考答案和解析
正确答案：
A
解析：
暂无解析