Question: What is an entity cluster and what advantages are derived
What is an entity cluster, and what advantages are derived from its use?
Answer to relevant QuestionsWhat primary key characteristics are considered desirable? Explain why each characteristic is considered desirable.What is an entity supertype, and why is it used?Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate.Granite Sales Company keeps information on employees and the departments that they work in. For each ...What is normalization?The dependency diagram in Figure Q6.8 indicates that a patient can receive many prescriptions for one or more medicines over time. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing ...
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