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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
1.When we think of relationships as attributes, what are the value sets of these attributes? What class of data models is based on this concept?
2.What is meant by a recursive relationship type? Give some examples of recursive relationship types.
3.When is the concept of a weak entity used in data modeling? Define the terms owner entity type, weak entity type, identifying relationship type, and partial key.
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