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Database
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The Database Environment
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Question
Structured data may include which of the following?
Options
A. Photo image
B. Video clip
C. Dates
D. None of the above.
Correct Answer
Dates
The Database Environment problems
Search Results
1. Legacy data is which of the following?
Options
A. Data contained in a newly-installed system
B. Data rejected during the installation of a new system
C. Data contained in a file system
D. Data contained by a system used prior to the installation of a new system
Show Answer
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Correct Answer: Data contained by a system used prior to the installation of a new system
2. A data warehouse uses:
Options
A. partial operational data.
B. historical operational data.
C. future operational data.
D. health care data.
Show Answer
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Discuss
Correct Answer: historical operational data.
3. A shared database should:
Options
A. be accurate and available.
B. provide for backup and recovery.
C. be secure.
D. All of the above.
Show Answer
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Discuss
Correct Answer: All of the above.
4. Data administrators are responsible for:
Options
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.
Show Answer
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Correct Answer: overall management of data resources in an organization.
5. An enterprise database is which of the following?
Options
A. A database designed to support only users external to an organization
B. A database designed to support an entire organization
C. A database designed to support a relatively small group
D. A database designed to support a single PC
Show Answer
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Correct Answer: A database designed to support an entire organization
6. An extranet is which of the following?
Options
A. The use of Internet protocols with limited access to company data by the company's customers and suppliers.
B. The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.
C. The use of Internet protocols with limited access to company data by people within an organization.
D. The use of Internet protocols with unlimited access to company data by people within an organization.
Show Answer
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Correct Answer: The use of Internet protocols with limited access to company data by the company's customers and suppliers.
7. Some advantages of the database approach include all, but:
Options
A. minimal data redundancy.
B. improved data consistency.
C. improved data sharing.
D. program-data dependency.
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Correct Answer: program-data dependency.
8. Duplicate data often results in loss of data integrity because:
Options
A. the data formats may be inconsistent.
B. data values may not agree.
C. Both A & B.
D. Neither A & B.
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Correct Answer: Both A & B.
9. A database management system (DBMS) is a:
Options
A. hardware system used to create, maintain, and provide controlled access to a database.
B. hardware system used to create, maintain, and provide uncontrolled access to a database.
C. software system used to create, maintain, and provide controlled access to a database.
D. software system used to create, maintain, and provide uncontrolled access to a database.
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Correct Answer: software system used to create, maintain, and provide controlled access to a database.
10. Which of the following is true for a relational database?
Options
A. Data is represented by tables.
B. It is difficult to access data.
C. Complex programs have to be written for simple queries.
D. All of the above.
Show Answer
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Discuss
Correct Answer: Data is represented by tables.
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