This paper firstly introduces the theory of normalization and denormalization in logical design of database.
文中首先论述了数据库逻辑设计中的关系规范化与反规范化的问题。
常化;
规化
常;
火的;
量,量化;
;
性;This paper firstly introduces the theory of normalization and denormalization in logical design of database.
文中首先论述了数据库逻辑设计中的关系规范化与反规范化的问题。
Results The contents of loganin and morroniside was higher than 98% by normalization method of HPLC.
结果所得马钱苷和莫诺苷用归一化法
量,质量分数均大于98%。
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