同时，还需要确保只要对数据库的模式进行了更改，就要对控制文件进行备份。
You need to also make sure that the control files are backed up once there are schema changes to the database.
早期开发时，模式可能更改，您无需使映射文件与数据库保持同步。
You don't need to keep a mapping file in sync with your database during early development, when your schema might change.
该模式决定了哪些文件显示在视图中：是更改过后的本地文件，还是更改过后的存储库文件，亦或是二者都显示。
The mode determines which files are shown in this view: changed local files, changed repository files, or both.
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