DBMS-Emerging Database Technologies

DBMS-Emerging Database Technologies
21. Which of the following must be unique in Internet ?
  • IP address
  • E-mail address
  • Domain name
  • All of these
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22. What is the expansion of CGI ?
  • Compiler Gateway Interface.
  • Common Gateway Interface.
  • Command Gateway Inteface.
  • None of these.
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23. Which of the following is an example of spatial data ?
  • GIS data.
  • CAD data
  • CAM data
  • All of these
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24. The component of digital libraries is
  • people
  • economic
  • computers and networks
  • All of these
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25. Which of the following is not a spatial data type ?
  • Line
  • Points
  • Polygon
  • Area.
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26. Which of the following finds objects of a particular type that is within a given spatial area or within a particular distance from a given location ?
  • Range query
  • Spatial joins
  • Nearest neighbour query
  • None of these
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27. Which of the following is a spatial indexing method ?
  • X-trees
  • R-trees
  • B-trees
  • None of these
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28. Which of the following is a mathematical jtransformation used by image compression standards ?
  • Waveler Transform
  • Discrete Cosine Transform
  • Discrete Fourier Transform
  • All of these
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29. Which of the following is not an image property ?
  • Cell
  • Shape descriptor
  • Property descriptor
  • Pixel descriptor.
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30. Which of the following is an example of a database application here content-based retrieval is useful?
  • Trademarks and Copyrights
  • Medical imaging
  • Fashion and fabric design
  • All of these
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