Maurice Tutor

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Teaching Since: May 2017
Last Sign in: 304 Weeks Ago, 3 Days Ago
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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 23 Sep 2017 My Price 3.00

3NF synthesis algorithm

  1. Prove that the 3NF synthesis algorithm produces a lossless-join decomposition of the relation containing all the original attributes.
  2. Prove that an MVD X →→ Y over a relation R can be expressed as the join dependency ? {XY; X(R − Y )}
  3. Prove that if R has only one key, it is in BCNF if and only if it is in 3NF.
  4. Prove that if R is in 3NF and every key is simple, then R is in BCNF.

Answers

Maurice Tutor
(5)
Status NEW Posted 23 Sep 2017 08:09 AM My Price 3.00

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