Question { 43122 }

What is the difference between OLAP, ROLAP, MOLAP and HOLAP?

Answer

ROLAP
ROLAP stands for Relational Online Analytical Process that
provides multidimensional analysis of data, stored in a
Relational database(RDBMS).
MOLAP
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MOLAP(Multidimensional OLAP), provides the analysis of data
stored in a multi-dimensional data cube.
HOLAP
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HOLAP(Hybrid OLAP) a combination of both ROLAP and MOLAP can
provide multidimensional analysis simultaneously of data
stored in a multidimensional database and in a relational
database(RDBMS).
DOLAP
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DOLAP(Desktop OLAP or Database OLAP)provide multidimensional
analysis locally in the client machine on the data collected
from relational or multidimensional database servers.