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Questions and Answers
What is the purpose of the resulting conceptual design mentioned in the text?
What is the purpose of the resulting conceptual design mentioned in the text?
- To illustrate how entities and relationships map to form
- To develop a database design model called an ERD
- To create an ERD from the order form (correct)
- To provide a rich source of information
What is the focus of the next lecture according to the text?
What is the focus of the next lecture according to the text?
- The order form
- The conceptual level model of ERD (correct)
- The entities and relationships mapping
- The database design model
What is the database design model mentioned in the text?
What is the database design model mentioned in the text?
- Object-oriented model
- ERD (correct)
- Hierarchical model
- Relational model
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Study Notes
Conceptual Design and Database Model
- The purpose of the resulting conceptual design is to provide a high-level representation of the database that is independent of a specific database management system (DBMS).
- The focus of the next lecture is on logical database design, which involves translating the conceptual design into a format that can be implemented using a specific DBMS.
- The database design model mentioned in the text is the Entity-Relationship (ER) model, which is a conceptual representation of data entities and their relationships.
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