If you change the database structure, you need to accordingly change the data access layer, view layer.

如果改变了数据库结构，就需要相应地改变数据访问层、视图层等。

youdao

If you change the database structure, you need to accordingly change the data access layer, view layer.

如果改变了数据库结构，就需要相应地改变数据访问层、视图层等。

youdao