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what is the difference between OLAP and DSS?

  
Total Answers and Comments: 1 Last Update: September 25, 2007     Asked by: suvarna 
  
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September 25, 2007 02:19:24   #1  
venkatbanka Member Since: August 2007   Contribution: 1    

RE: what is the difference between OLAP and DSS?
Data-driven DSS is a type of DSS that emphasizes access to and manipulation of a time-series of internal company data and sometimes external data. Simple file systems accessed by query and retrieval tools provide the most elementary level of functionality. Data warehouse systems that allow the manipulation of data by computerized tools tailored to a specific task and setting or by more general tools and operators provide additional functionality. Data-driven DSS with On-line Analytical Processing (OLAP) provides the highest level of functionality and decision support that is linked to analysis of large collections of historical data. Executive Information Systems (EIS) and Geographic Information Systems (GIS) are special purpose Data-Driven DSS
 
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