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数据库设计有关范式点滴摘录

172 views 0 comments last modified about 10 years ago Raymond Tang

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Note1:

满足范式要求的数据库设计是结构清晰的,同时可避免数据冗余和操作异常。这并意味着不符合范式要求的设计一定是错误的,在数据库表中存在1:1或1:N关系这种较特殊的情况下,合并导致的不符合范式要求反而是合理的。


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