被分离的分段不再是复制表的一部分。

The detached fragment is no longer part of the replicated table.

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基于被修改复制表的新模式创建一个新的删除表。

Creates a new delete table based on the new schema of the altered replicated table.

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如果 alter 操作是 in-place alter，或者服务器对于被修改复制表是一个只读参与者，那么这样的配置不是必需的。

This configuration is not required when the type of alter operation is in-place alter, or when the server is a read-only participant for the replicated table being altered.

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