Difference between revisions of "Normalization"
From Wiki Notes @ WuJiewen.com, by Jiewen Wu
m (New page: ==Functional Dependency (FD)== A FD on a relation scheme R is a constraint X->Y, where X and Y are sets of attributes. For a pair of tuple t and s, they satisfies the above FD if they agre...) |
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Revision as of 12:55, 5 August 2010
Functional Dependency (FD)
A FD on a relation scheme R is a constraint X->Y, where X and Y are sets of attributes. For a pair of tuple t and s, they satisfies the above FD if they agree on all attributes in Y when they agree on all attributes in X.
