The discussion focused on a couple of big issues of database design without getting into the details of query optimization and application considerations.
本文着重讨论了数据库设计的两个比较大的问题，而没有深入研究查询优化和应用程序考虑事项的细节。
In this paper, the application of normalization and denormalization in the optimization of relational database design are discussed.
讨论了在大型关系数据库优化设计中关系的规范化和逆规范化的应用。
A successful database application system depends on good planning and design, most system designers pay more attention to logical and program design optimization.
一个成功的数据库应用系统取决于好的规划和设计，而多数的开发人员侧重于逻辑和程序的设计优化。
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