10月13日
Which are three facts about backups with mysqldump?
A. will lock all storage engines for duration of backup
B. can back up a remote database server
C. allow a consistent backup to be taken
D. are able to back up specific items within a database
E. create automatically compressed backups
F. are always faster to restore than binary backups
A 不会自动锁,但是可以手动锁,保证数据一致性
B可以远程备份
C可以一致性备份,前提是使用一致性参数
D可以指定备份对象
E不会自动压缩
F因为导出的是sql语句,会更慢的
Answer: B,C,D