The following example illustrates adding a column to a replicate definition.
下面的例子说明了如何添加一个列到复制定义。
This can be useful when adding a column to a table can cause existing applications using implicit column lists to fail.
当向表添加列可能造成使用隐式列列表的应用程序失败时，这一特性非常有用。
This can take the form of adding a column, changing the data type for a column, adding a constraint, or even deleting a column.
这可以采用添加列、更改列的数据类型、添加约束或者甚至删除列的方式来实现。
Any migration building on the contents of others, such as a migration adding a column to a table created by another migration, remains consistent.
在其他迁移的结果之上构建的迁移(例如一个迁移要向其他迁移创建的表中添加一列)会保持一致。
Any migration building on the contents of others, such as a migration adding a column to a table created by another migration, remains consistent.
在其他迁移的结果之上构建的迁移(例如一个迁移要向其他迁移创建的表中添加一列)会保持一致。
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