table per concrete class 中文意思是什麼
table per concrete class
解釋
具體類一張表-
Our third and last strategy is probably the most imaginative of all : having one table per concrete class and none for the
我們的第三個,也是最後一個策略可能是三個策略當中最有想象力的:每個具體類一個表,抽象超類 -
Our third strategy one table per concrete class has some mapping limitations, and the underlying data model can t use referential integrity, meaning that you re not using the relational database engine to its full potential
第三個策略(每個具體類一個表)有一些映射限制,而底層數據模型不能使用參照完整性,這意味著您不能發揮關系數據庫引擎的所有潛力。
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