isys ch5

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Anonymous
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84440
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isys ch5
Updated:
2011-05-07 19:50:30
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isys ch5
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  1. A table that links two tables
    that have a many-to-many
    relationship is often called
    a(n):
    Intersection relation
  2. An automated or manual
    file that stores information
    about data elements and data
    characteristics such as usage,
    physical representation,
    ownership, authorization,&
    security is the:
    data dictionary
  3. A characteristic or quality
    describing an entity is called
    a(n):
    Attribute
  4. The tool that enables users
    to view the same data in
    different ways using multiple
    dimensions is:
    OLAP
  5. MySQL is a:
    Popular open-source DBMS
  6. Which of the following is not a
    typical feature of DBMS?
    Query wizard tools
  7. An example of a pre-digital
    database is a:
    Library’s card-catalog
  8. In normalization, complex
    groupings of data are
    streamlined to eliminate
    awkward many-to-many
    relationships.
    True
  9. Many applications today
    require databases that
    can store and retrieve
    multimedia.
    True
  10. A data warehouse is typically
    comprised of several smaller
    data marts.
    False
  11. One of the drawbacks to
    OODBMS is that they cannot
    work with applets.
    False
  12. In linking databases to
    the Web, the role of the
    application server is to host
    the DBMS.
    False
  13. The project operation:
    Creates a subset consisting of columns in a table.
  14. The join operation:
    Combines relational tables to provide the user with more information than is otherwise available.
  15. Which of the following
    database types is useful for
    storing Java applets as well
    as handling large numbers of
    transactions?
    Object-relational DBMS
  16. A DBMS makes the:
    Physical database available for different logical views.
  17. The confusion created by
    _______ makes it difficult for
    companies to create customer
    relationship management,
    supply chain management,
    or enterprise systems that
    integrate data from different
    sources.
    Data redundancy

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