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Answer Posted / ez
Cognos 8 and report net are both ROLAP and MOLAP and
possibly HOLAP.
MOLAP = Cubes
ROLAP = Dimensions Model directly accessing the data and
generating the OLAP analysis on the fly
HOLAP = Hybrid where where both ROLAP and MOLAP are used.
i.e. aggrgations at some set level are in a MOLAP Cube and
then once a set granularity is achieved it will then switch
to ROLAP
The power of Cognos is the ability to combine seamlessly
these sources as well as other within the meta-data and
have access to them though Query Studio and report studio.
You can drill up and down in report studio, query studio
and analysis studio.
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