Replication can be controlled through the SQL interface using the statements described in this section. 可以使用本节中描述的语句通过SQL接口控制复制。Statements are split into a group which controls source servers, a group which controls replica servers, and a group which can be applied to any replication servers.语句分为控制源服务器的组、控制副本服务器的组和可应用于任何复一致性务器的组。