Which two statements are true regarding the creating of new MySQL physical and logical backups?
A. Physical backups can be used to recover from data corruption.
B. Logical backups are human-readable whereas physical backups are not.
C. Logical backups are always larger than physical backups.
D. Physical backups are usually slower than text backups.
E. Physical backups are usually faster than text backups.http://www.cndba.cn/hbhe0316/article/22773http://www.cndba.cn/hbhe0316/article/22773

Answer: BEhttp://www.cndba.cn/hbhe0316/article/22773http://www.cndba.cn/hbhe0316/article/22773http://www.cndba.cn/hbhe0316/article/22773http://www.cndba.cn/hbhe0316/article/22773

关于物理备份和逻辑备份，下面哪两项是对的？
A．物理备份可以用来修复坏块
B．逻辑备份是人可读的，物理备份不可读
C．逻辑备份总比物理备份大
D．物理备份总比逻辑备份慢
E．物理备份总比逻辑备份快http://www.cndba.cn/hbhe0316/article/22773

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