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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数据库设计有关范式点滴摘录
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