關於數據庫的第一、二、三範式

原創 依夜知秋 2020-02-25 09:43 
數據庫中的第一、二、三範式在相關書籍中解釋比較晦澀難懂，自己雖然可以看懂，但是還是覺得比較難受，於是在網上找了有相關比較易懂的解釋，如下：這裏寫代碼片
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