If your ORM framework offers facilities for modeling referential constraints, these are again defined both on your DB and in your application code.
如果OR M框架为引用限制的建模提供了便利的话，这些内容会在你的数据库和应用程序代码上重复定义。
MindScape has released version 2.0 of their domain modeling and ORM tool.
MindScape最近发布了他们域建模和OR M工具的2.0版本。
MindScape has released version 2.0 of their domain modeling and ORM tool.
MindScape最近发布了他们域建模和OR M工具的2.0版本。
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