Course Solutions Uncategorized (Solved) : B Provide Example Total Generalisation Representation Entity Relationship Model 596 C Cons Q32646237 . . . .

(Solved) : B Provide Example Total Generalisation Representation Entity Relationship Model 596 C Cons Q32646237 . . . .

 

b) Provide an example of a total generalisation and its representation in the entity relationship model (596) c) Consider the following relation APPLIANCES: (1296) © UCD 2017/18/Modular Page 3 of4 Energy-level Price Category Description TV TV Stereo Fridge Dishwasher Vacuum cleanerMiele Vacuum cleanerMiele Brand Samsung Samsun black A black B white B silver blueA blueB LG Bosch 1 The key for APPLIANCES is composed of attributes Description and Energy-level Answer the following questions (motivate your answers): I. Is the functional dependency: DescriptionBrand, Colour verified by this relation? Is the relation in Boyce-Codd normal form? Is it in Third Normal Form? II. III.

b)

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