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insight Encyclopedia


MOLAP (Multidimensional Online Analytical Processing) is an online analytical processing (OLAP) that indexes directly into a multidimensional database. It processes data that is already stored in a multidimensional collection in which all possible combinations of data are reflected and each of which can be accessed directly.

Advantages of MOLAP include:

  • Effective data extraction
  • Fast query performance due to optimized storage, multidimensional indexing, and caching
  • Compact for low dimension data sets
  • Smaller sized data collection due to its compression techniques
  • Natural indexing due to array models
  • Automated computation of higher level aggregates of data