Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 09 Oct 2017 My Price 5.00

non-ID-dependent identifier

a. Describe how to represent a multivalued attribute entity relationship. Give an example other than one in this chapter.

b. Describe how to represent a version/instance entity relationship. Give an example other than one in this chapter.

c. What happens when an instance entity is given a non-ID-dependent identifier? How does this change affect relationship design?

d. What happens when the parent in an ID-dependent relationship is given a surrogate key? What should the key of the child become?

e. Describe how to represent a mixed entity relationship. Give an example other than one in this chapter.

 

Answers

Maurice Tutor
(5)
Status NEW Posted 09 Oct 2017 03:10 PM My Price 5.00

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