Database - Test Bank
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Chapter 3: Data Models 
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1. A data model is usually graphical. ANS: T PTS: 1 
2. The terms data model and database model are often used interchangeably. ANS: T PTS: 1 
3. An implementation-ready data model should contain a description of the data structure that will store the end-user data. 
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4. Within the database environment, a data model represents data structures with the purpose of supporting a specific problem domain. 
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5. Data modeling starts with a...
Chapter 3: The Relational Database Model TRUE/FALSE 
1. The practical significance of taking the logical view of a database is that it serves as a reminder of the simple file concept of data storage. 
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2. You can think of a table as a persistent representation of a logical relation. 
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3. Because the relational model uses attribute values to establish relationships among tables, many database users correctly assume that the term relation refers to such relationships. 
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