а. Compute B+. b. Prove (using Armstrong's axioms) that AG is a superkey. Compute a canonical cover for this set of functional dependencies F; give each step of your derivation with an explanation. с.

Computer Networking: A Top-Down Approach (7th Edition)
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Chapter1: Computer Networks And The Internet
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а.
Compute B+.
b. Prove (using Armstrong's axioms) that AG is a superkey.
Compute a canonical cover for this set of functional dependencies F; give
each step of your derivation with an explanation.
с.
d. Give a 3NF decomposition of the given schema based on a canonical
cover.
Give a BCNF decomposition of the given schema using the original set F
of functional dependencies.
е.
Transcribed Image Text:а. Compute B+. b. Prove (using Armstrong's axioms) that AG is a superkey. Compute a canonical cover for this set of functional dependencies F; give each step of your derivation with an explanation. с. d. Give a 3NF decomposition of the given schema based on a canonical cover. Give a BCNF decomposition of the given schema using the original set F of functional dependencies. е.
Consider the following set F of functional dependencies on the relation schema
(А, В, С, D, E, G):
А— ВCD
ВС — DE
В — D
D → A
Transcribed Image Text:Consider the following set F of functional dependencies on the relation schema (А, В, С, D, E, G): А— ВCD ВС — DE В — D D → A
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