Exam (elaborations)
INF2603 ASSIGNMENT 2 SEMESTER 2.
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INF2603 ASSIGNMENT 2 SEMESTER 2. INF2603 - Databases I. What is a subtype discriminator? Given an example of its use. (3) A subtype discriminator is the attribute in the supertype entity that is used to determine to which entity subtype the supertype occurrence is related. For any given supertype...
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