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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Question No. 8.29
Consider the following set F of functional dependencies on the relation schema r (A, B, C, D, E, F)
Part (a)
Compute B+?
Part (b)
Prove that AF is a superkey
Part (c)
Compute a canonical cover for the above set of functional dependencies F; give each step of your derivation with an explanation
Part (d)
Give a 3NF decomposition of r based on the canonical cover.
Hel-----------lo -----------Sir-----------/Ma-----------dam-----------Tha-----------nk -----------You----------- fo-----------r u-----------sin-----------g o-----------ur -----------web-----------sit-----------e a-----------nd -----------and----------- ac-----------qui-----------sit-----------ion----------- of----------- my----------- po-----------ste-----------d s-----------olu-----------tio-----------n.P-----------lea-----------se -----------pin-----------g m-----------e o-----------n c-----------hat----------- I -----------am -----------onl-----------ine----------- or----------- in-----------box----------- me----------- a -----------mes-----------sag-----------e I----------- wi-----------ll