what is first normal formthe domain of attribute
What is first normal form?
The domain of attribute must contain only atomic (simple, indivisible) values.
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list the drawbacks of relational database systema repetition of datab inability to s certain
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what is first normal formthe domain of attribute must contain only atomic simple indivisible
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what is meant by functional dependenciesconsider a relation schema r and alpha c r and beta c r the functional dependency alpha -gtbeta holds on
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explain trivial dependencyfunctional dependency of the form alpha -gtbeta is trivial if alpha c beta trivial functional dependencies are satisfied by
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