【摘要】 设计一个好的数据库就要使我们的库中关系规范化,规范化的基本目的就是消除关系上的操作异常现象,规范化的基本方法就是模式分解.更多还原

【Abstract】 To design a good database is to the standardize the relationship among the database.The ordinary of the stondardization is to get rid of the abnormal phenomenon among the relationship in database,and the ordinary way of standardization is the model resoloution.更多还原