在V11.7 之前，没有简单的方法可以更改已复制表的架构或在已复制服务器上执行任何管理任务。
Prior to V11.7, there was no easy way to change the schemas of replicated tables or performing any administration tasks on replicated servers.
网格适用于以下情况：您拥有多个复制服务器，且需要在每个复制服务器上执行相同的任务。
A grid can be useful when you have multiple replication servers and you often need to perform the same tasks on every replication server. The following tasks can be easily run through the grid.
网格适用于以下情况：您拥有多个复制服务器，且需要在每个复制服务器上执行相同的任务。
A grid can be useful when you have multiple replication servers and you often need to perform the same tasks on every replication server. The following tasks can be easily run through the grid.
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