多选题When backing up a replication slave, which three should also be backed up in addition to data?（）AThe master.info and relay.info filesBThe relay log filesCThe relay index fileDMysql.slave_master_info tableEMysql.slave_relay_log_info tableFMysql.slave_worker_info table
多选题
When backing up a replication slave, which three should also be backed up in addition to data?（）
A
The master.info and relay.info files
B
The relay log files
C
The relay index file
D
Mysql.slave_master_info table
E
Mysql.slave_relay_log_info table
F
Mysql.slave_worker_info table
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