更新时间:2023-09-27 20:04:52
您应该规范化数据。不要在数据库中存储数据副本。创建实体并仅存储它们之间的关系。
You should normalize your data. Do not store copies of data in your database. Create entities and store only relations between them.
阅读有关数据库规范化的一些教程
Read some tutorials on database normalization