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What is the purpose of a local data model?
What is the purpose of a local data model?
- To describe requirements for one or more user views of a database (correct)
- To facilitate communication about the physical design of a database
- To assist in understanding the syntax of a database language
- To represent all user views of a database
What is the result of merging local data models during database design?
What is the result of merging local data models during database design?
- A local data model
- A physical database design
- A global data model (correct)
- A data modeling language
What is the main purpose of data modeling?
What is the main purpose of data modeling?
- To optimize database performance
- To select a DBMS
- To assist in understanding the meaning of the data (correct)
- To design a physical database
What is the main goal of database design?
What is the main goal of database design?
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What is a characteristic of the view integration approach?
What is a characteristic of the view integration approach?
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What are the main approaches to database design?
What are the main approaches to database design?
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What is an advantage of data modeling?
What is an advantage of data modeling?
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What is the role of a global data model?
What is the role of a global data model?
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What is the main focus of logical database design?
What is the main focus of logical database design?
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What is the result of merging local data models?
What is the result of merging local data models?
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