Exercise: The Database Environment

Questions for: The Database Environment

Which of the following types of databases are the most common?
A:
Personal
B:
Workgroup
C:
Department
D:
Enterprise
Answer: C
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Data administrators are responsible for:
A:
physical database design.
B:
managing technical issues in the database environment.
C:
overall management of data resources in an organization.
D:
writing application programs.
Answer: C
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A shared database should:
A:
be accurate and available.
B:
provide for backup and recovery.
C:
be secure.
D:
All of the above.
Answer: D
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An enterprise data model is:
A:
a graphical model that shows the high-level entities for an organization.
B:
a graphical model that shows all entities for an organization.
C:
a non-graphical model that shows the high-level entities for an organization.
D:
a non-graphical model that shows the all entities for an organization.
Answer: A
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A database application can perform which of the following activities?
A:
Add records
B:
Read records
C:
Update records
D:
All of the above.
Answer: D
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