Engineering
Engineering, 29.10.2019 03:31, kelseatuttleni

Consider relation r(a, b, c, d, e) with the following functional dependencies. 1. a + b 2. e + a 3. ce β†’ d 1. find the key(s) of r? show that the key(s) is/are minimal. 2. find a minimal basis or prove the current basis is minimal. 3. perform a bcnf decomposition of r to find a lossless-join dependency-preserving decompo- sition.

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Consider relation r(a, b, c, d, e) with the following functional dependencies. 1. a + b 2. e + a 3....

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