REPLICATIONSLAVE与REPLICATIONCLIENT权限

测试的版本为5.6.30

REPLICATION SLAVE常用于建立复制时所需要用到的用户权限,也就是slave server必须被master server授权具有该权限的用户,才能通过该用户复制。
并且"SHOW SLAVE HOSTS"这条命令和REPLICATION SLAVE权限有关,否则执行时会报错:
  ERROR 1227(42000): Access denied; you need(at least oneof) the REPLICATION SLAVE privilege(s) for this operation
REPLICATION CLIENT不可用于建立复制,有该权限时,只是多了可以使用如"SHOW SLAVE STATUS"、"SHOW MASTER STATUS"等命令。
在5.6.6版本以后,也可以使用"SHOW BINARY LOGS"。


原文:
  1. The REPLICATION CLIENT privilege enables the use of SHOW MASTER STATUS and SHOW SLAVE STATUS. In MySQL 5.6.6 and later, it also enables the use of the SHOW BINARY LOGS statement.
  2. The REPLICATION SLAVE privilege should be granted to accounts that are used by slave servers to connect to the current server as their master. Without this privilege, the slave cannot request updates that have been made to databases on the master server.



参考文献: 
MySQL 5.6 Reference Manual - 6.2.1 Privileges Provided by MySQL


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