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  • Question
  • 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.

  • Correct Answer
  • Both A & B. 


  • The Database Environment problems


    Search Results


    • 1. 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.
    • Discuss
    • 2. 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.
    • Discuss
    • 3. Structured data may include which of the following?

    • Options
    • A. Photo image
    • B. Video clip
    • C. Dates
    • D. None of the above.
    • Discuss
    • 4. 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
    • Discuss
    • 5. A data warehouse uses:

    • Options
    • A. partial operational data.
    • B. historical operational data.
    • C. future operational data.
    • D. health care data.
    • Discuss
    • 6. 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.
    • Discuss
    • 7. 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.
    • Discuss
    • 8. Which of the following types of databases are the most common?

    • Options
    • A. Personal
    • B. Workgroup
    • C. Department
    • D. Enterprise
    • Discuss
    • 9. 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.
    • Discuss
    • 10. A database application can perform which of the following activities?

    • Options
    • A. Add records
    • B. Read records
    • C. Update records
    • D. All of the above.
    • Discuss


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