This is a more normalized schema than the four-table schema option, so that repeated storage of identical keywords and categories is avoided.
与4表模式选项相比,这种模式更符合范式,所以可以避免重复存储相同的关键词和类别。
Providing a normalized data schema enables new types of data to be integrated into the system with relative ease.
实现一种规范化数据方案能够使新数据类型以相对简单的方式整合到系统中。
In addition, by using an industry standard "star schema", rather than a more normalized table structure, the data warehouse is optimized for efficient queries and quick response times.
此外,通过使用行业标准的“星型模式”(star schema)而不是更规范化的表结构,数据仓库经过了优化以实现高效的查询和快速的响应时间。
Since this schema is not fully normalized, there is some data redundancy.
由于这种模式不是完全符合范式的,因此有一些数据冗余。
The existing database schema is highly de-normalized, which essentially reflects a message structure.
现有数据库模式非常不规范,其本质上反映的是消息结构。
Given attribute set and minimum cover set of functional dependencies over one relational schema, a new method for designing normalized XML schemas based on schema graph is proposed.
在给定关系模式的属性集及其函数依赖最小覆盖集的基础上,提出一种基于模式图的规范化XML模式设计方法。
Given attribute set and minimum cover set of functional dependencies over one relational schema, a new method for designing normalized XML schemas based on schema graph is proposed.
在给定关系模式的属性集及其函数依赖最小覆盖集的基础上,提出一种基于模式图的规范化XML模式设计方法。
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