what are the uses of functional dependencies to
What are the uses of functional dependencies?
To test relations to see whether they are legal under a given set of functional dependencies.
To state constraints on the set of legal relations.
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define rack cutter generating processthe rack cutter generating process is also called shaping process in this method the generating cutter has the
what is first normal formthe domain of attribute must contain only atomic simple indivisible
explain the advantages of rack cuttera a single cutter of any specific pitch can cut gears of any number of teeth having similar pitchb the tooth
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
what are the uses of functional dependencies to test relations to see whether they are legal under a given set of functional dependenciesto state
explain trivial dependencyfunctional dependency of the form alpha -gtbeta is trivial if alpha c beta trivial functional dependencies are satisfied by
what are axiomsaxioms or rules of inference give a simpler technique for reasoning
advantages of pinion cutter generating process1 a single cutter can be used for cutting all spur gears of identical pitch as that of the cutter2
evaluate the volume of water in a round reservoir approximately 1 km in radius if the depth of the water is 15 mapproximately how many balls with a
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