The generated commands include commands to preserve data in case of a destructive table change.

生成的命令包括保留数据以防破坏性表更改的命令。

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For each table you want to register, there will be a change data (CD) table and CD index created.

对于您想要注册的每个表，都会创建一个更改数据(CD)表和CD索引。

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Loop through the data records in the arrays, and change the values as needed, then write the data back to the original database and table.

循环遍历数组中的数据记录并根据需要修改，然后把数据写回原来的数据库和表中。

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