What are the three key features that all OLAP applications share?
What will be an ideal response?
OLAP applications all require (1) multi-dimensional views of data, (2) support for complex
calculations (such as forecasting), and (3) time intelligence. Time intelligence is a key feature of almost
any analytical application as performance is almost always judged over time.
Multi-dimensional data can be characterized through many different views. (e.g. DVD sales can be
viewed according to the characteristics of the DVD such as genre and/or characteristics of Buyers such
home address).
The types of analysis available from OLAP ranges from basic navigation and browsing (referred to as
‘slicing and dicing’) to calculations, to more complex analyses such as time series and complex
modeling.
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