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The Database Environment MCQs

Practice The Database Environment MCQs for competitive exams.

The Database Environment MCQs

Practice questions from this topic.

A database application can perform which of the following activities?

  1. A. Add records
  2. B. Read records
  3. C. Update records
  4. D. All of the above.
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A database management system (DBMS) is a:

  1. A. hardware system used to create, maintain, and provide controlled access to a database.
  2. B. hardware system used to create, maintain, and provide uncontrolled access to a database.
  3. C. software system used to create, maintain, and provide controlled access to a database.
  4. D. software system used to create, maintain, and provide uncontrolled access to a database.
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Legacy data is which of the following?

  1. A. Data contained in a newly-installed system
  2. B. Data rejected during the installation of a new system
  3. C. Data contained in a file system
  4. D. Data contained by a system used prior to the installation of a new system
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Duplicate data often results in loss of data integrity because:

  1. A. the data formats may be inconsistent.
  2. B. data values may not agree.
  3. C. Both A & B. D. Neither A & B.
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Metadata enables database designers and users to do all of the following except:

  1. A. sample data.
  2. B. understand what data exist.
  3. C. what the fine distinctions are between similar data items.
  4. D. what the data mean.
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A data warehouse uses:

  1. A. partial operational data.
  2. B. historical operational data.
  3. C. future operational data.
  4. D. health care data.
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