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Olap

Database Olap

  1. The operation of moving from finer granular data to coarser granular data is called _______

  1. Reduction
  2. Increment
  3. Roll up
  4. Drill down

Correct Answer:
C. Roll up

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  1. OLAP Stands For
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  2. Data That Can Be Modeled As Dimension Attributes And Measure Attributes Are Called _______ Data.
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  3. Data That Can Be Modelled As Dimension Attributes And Measure Attributes Are Called ___________
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  4. The Generalization Of Cross-tab Which Is Represented Visually Is ____________ Which Is Also Called As Data Cube.
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  5. The Operation Of Changing A Dimensions Used In A Cross-tab Is Called As ________
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  6. The Process Of Viewing The Cross-tab (Single Dimensional) With A Fixed Value Of One Attribute Is
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  7. The Operation Of Moving From Finer-granularity Data To A Coarser Granularity (by Means Of Aggregation) Is Called A ________
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  8. How Many Dimensions Of Multi-dimensional Data Do Cross Tabs Enable Analysts To View?
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  9. In SQL The Cross-tabs Are Created Using
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  10. The _______ Function Allows Substitution Of Values In An Attribute Of A Tuple
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  11. Which Of The Following OLAP Systems Do Not Exist?
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  12. State True Or False: OLAP Systems Can Be Implemented As Client-server System?
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  13. State_true_or_false:_In_OLAP,_analysts_cannot_view_a_dimension_in_different_levels_of_detail.$
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  14. WHAT_DO_DATA_WAREHOUSES_SUPPORT??$
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  15. THE_OPERATION_OF_MOVING_FROM_COARSER_GRANULAR_DATA_TO_FINER_GRANULAR_DATA_IS_CALLED________?$
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