Which are three facts about backups with mysqldump?
A. will lock all storage engines for duration(期间) 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
The mysqldump command is frequently used to create an empty instance, or an instance including data, on a replica server in a replication configuration.