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The Database Environment
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Question
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.
Correct Answer
program-data dependency.
The Database Environment problems
Search Results
1. 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.
2. Structured data may include which of the following?
Options
A. Photo image
B. Video clip
C. Dates
D. None of the above.
Show Answer
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Discuss
Correct Answer: Dates
3. 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
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Correct Answer: Data contained by a system used prior to the installation of a new system
4. A data warehouse uses:
Options
A. partial operational data.
B. historical operational data.
C. future operational data.
D. health care data.
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Correct Answer: historical operational data.
5. A shared database should:
Options
A. be accurate and available.
B. provide for backup and recovery.
C. be secure.
D. All of the above.
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Correct Answer: All of the above.
6. 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.
7. 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.
8. 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.
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Correct Answer: Data is represented by tables.
9. Which of the following types of databases are the most common?
Options
A. Personal
B. Workgroup
C. Department
D. Enterprise
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Correct Answer: Department
10. Metadata enables database designers and users to do all of the following except:
Options
A. sample data.
B. understand what data exist.
C. what the fine distinctions are between similar data items.
D. what the data mean.
Show Answer
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Correct Answer: sample data.
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