MindTap MIS, 1 term (6 months) Printed Access Card for Coronel/Morris' Database Systems: Design, Implementation, & Management, 13th (MindTap Course List)
13th Edition
ISBN: 9781337627948
Author: Carlos Coronel; Steven Morris
Publisher: Cengage Learning
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Chapter 5, Problem 11RQ
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Entity cluster:
- An entity cluster is used to represent many entities and relationships in the ER (Entity Relationship) diagram. It is a virtual entity type.
- Combining many interrelated entities into a one abstract entity object is called as an entity cluster.
- It is consider as “abstract” or “virtual” which means it is not actually an entity in the final ER diagram, but in...
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Chapter 5 Solutions
MindTap MIS, 1 term (6 months) Printed Access Card for Coronel/Morris' Database Systems: Design, Implementation, & Management, 13th (MindTap Course List)
Ch. 5 - Prob. 1RQCh. 5 - What kinds of data would you store in an entity...Ch. 5 - Prob. 3RQCh. 5 - What is a subtype discriminator? Give an example...Ch. 5 - Prob. 5RQCh. 5 - What is a disjoint subtype? Give an example.Ch. 5 - What is the difference between partial...Ch. 5 - Prob. 8RQCh. 5 - According to the data model, is it required that...Ch. 5 - Prob. 10RQ
Ch. 5 - Prob. 11RQCh. 5 - Prob. 12RQCh. 5 - Prob. 13RQCh. 5 - Prob. 14RQCh. 5 - When implementing a 1:1 relationship, where should...Ch. 5 - What is time-variant data, and how would you deal...Ch. 5 - Prob. 17RQCh. 5 - Prob. 1PCh. 5 - Prob. 2PCh. 5 - Prob. 3PCh. 5 - Prob. 4PCh. 5 - Prob. 5PCh. 5 - Prob. 6PCh. 5 - Prob. 7PCh. 5 - Prob. 8CCh. 5 - Prob. 9CCh. 5 - Prob. 10C
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