Question: What is an entity supertype and why is it used
What is an entity supertype, and why is it used?
Answer to relevant QuestionsWhat kinds of data would you store in an entity subtype?Given the following business scenario, create a Crow’s Foot ERD using a specialization hierarchy if appropriate.Tiny Hospital keeps information on patients and hospital rooms. The system assigns each patient a patient ID ...The Journal of E-commerce Research Knowledge is a prestigious information systems research journal. It uses a peer-review process to select manuscripts for publication. Only about 10 percent of the manuscripts submitted ...When is a table in BCNF?To keep track of office furniture, computers, printers, and so on, the FOUNDIT Company uses the table structure shown in Table P6.5.a. Given that information, write the relational schema and draw the dependency diagram. ...
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