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Questions and Answers
What is the conceptual model also known as?
What is the conceptual model also known as?
- Physical schema
- Conceptual schema (correct)
- Internal schema
- Logical design
Which model represents a global view of the entire database by the entire organization?
Which model represents a global view of the entire database by the entire organization?
- Physical model
- Logical model
- ER model
- Conceptual model (correct)
What does the term 'logical design' refer to in the context of database systems?
What does the term 'logical design' refer to in the context of database systems?
- Implementing the physical schema
- Physical implementation of the database
- Defining the internal schema
- Creating a conceptual data model (correct)
Which model provides a macro-level view of the data environment?
Which model provides a macro-level view of the data environment?
In database design, what does 'software and hardware independent' refer to?
In database design, what does 'software and hardware independent' refer to?
Which model is the most widely used conceptual model according to the text?
Which model is the most widely used conceptual model according to the text?
In database management, which model operates at the lowest level of abstraction?
In database management, which model operates at the lowest level of abstraction?
What is a characteristic of the physical model in databases?
What is a characteristic of the physical model in databases?
When can you achieve physical independence in database design?
When can you achieve physical independence in database design?
What type of diagrams are associated with the conceptual model in database design?
What type of diagrams are associated with the conceptual model in database design?
Which modeling aspect involves describing the way data is saved on storage media?
Which modeling aspect involves describing the way data is saved on storage media?
Where does the internal schema fall in terms of degree of abstraction?
Where does the internal schema fall in terms of degree of abstraction?
What is the external model?
What is the external model?
How do end users usually operate in relation to the external model?
How do end users usually operate in relation to the external model?
What is used to represent the external views in the text?
What is used to represent the external views in the text?
Which term is used for a specific representation of an external view in the text?
Which term is used for a specific representation of an external view in the text?
What does the external model provide a view of?
What does the external model provide a view of?
In what form are external models typically represented?
In what form are external models typically represented?
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