OLAP operations

Description

Information Technology Mind Map on OLAP operations, created by Parag Gawde on 21/10/2018.
Parag Gawde
Mind Map by Parag Gawde, updated more than 1 year ago
Parag Gawde
Created by Parag Gawde about 6 years ago
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Resource summary

OLAP operations
  1. Roll-up
    1. Performs Aggression on a data cube in two ways
      1. Climbing up a concept hierarchy for a dimension
        1. Dimension Reduction
      2. Drill-down
        1. Reverse of Roll-up, navigates from less detailed data to more detailed data
          1. Stepping down a concept hierarchy for a dimension
            1. Introducing additional dimensions
          2. Slice
            1. Performs a selection on one dimension
              1. Results in a sub cube
            2. Pivot
              1. Visualization operation that rotates the data axes in view
                1. Provides an alternative presentation of data
              2. Dice
                1. Performs a selection on two or more dimensions
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