(sorry for my English) For example, in my DAL,I have an AuthorDB object, that has a Name and a BookDB object, that has a Title and an IdAuthor. (sorry for my English) For example, in my DAL,I
阅读背景：
为具有对另一个对象的引用的对象创建数据访问层的最佳实践是什么？
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