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Home -> Community -> Usenet -> comp.databases.theory -> Re: Why 3FN is so strict?
Juan Pardillos wrote:
>Hi,
>
>I don't understand why in 3NF an indirect dependency of a key
>attribute with respect to another key attribute is not considered a
>transitive dependency. That would imply that 3NF equals BCNF. I think
>is very strange the way in which the original definition of 3FN was
>limited.
>
>Any ideas?.
The magic word is "dependency preserving".
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