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IBM

A2090-560 · Question #130

Zone Maps provide what information about a table?

The correct answer is C. The minimum and maximum column values found within an extent. See the full explanation below for the reasoning.

Question

Zone Maps provide what information about a table?

Options

  • AThe list of unique column values found within an extent.
  • BAn index pointer to each row's exact location in the base table.
  • CThe minimum and maximum column values found within an extent.
  • DThe connection between the map and reduce stages when using MapReduce.

How the community answered

(28 responses)
  • A
    4% (1)
  • B
    7% (2)
  • C
    79% (22)
  • D
    11% (3)

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