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ql 传真机数据库
原标题:sql server database diagram

我创建了一个数据库薄膜,然后又制作了外国钥匙图表。 近来,我需要增加几张表格,有一处错误,说我无法做图表,因为我不是所有人。

因此,我没有更新图表,而是增加了表格。 我似乎对新表格进行了细致的工作。 采用linq-to-sql的Im和ORM的设计表面显示新表格和旧表格之间的联系。

我的问题是:如果该图书既符合也无图表,那会有什么好处? 我知道,我读了800页的书并得到了答复,但我不知道2-3页的答案是什么。

感谢。

最佳回答

图表只是模仿工具,不需要使用,而如果你不再制造 d子,则可以更容易地提出询问。

您可以在“File”制成单的选项中转换成 d的所有人。

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