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Database Design Fundamentals

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Questions and Answers

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?

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?

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?

To create a design for a database that supports the enterprise's mission statement and mission objectives Signup and view all the answers

What is a characteristic of the view integration approach?

It involves merging local data models to produce a global data model Signup and view all the answers

What are the main approaches to database design?

Top-down, bottom-up, and mixed Signup and view all the answers

What is an advantage of data modeling?

It assists in understanding the meaning of the data Signup and view all the answers

What is the role of a global data model?

To represent all user views of a database Signup and view all the answers

What is the main focus of logical database design?

Data modeling and user views Signup and view all the answers

What is the result of merging local data models?

A global data model Signup and view all the answers