Saturday July 22nd 2017

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MOLAP Versus ROLAP

MOLAP Versus ROLAP

We found some more useful information, which we hope will be helpful for readers. MOLAP Solutions work best when the questions that are being answered are very well defined and of relatively small scale. They are not well suited for discovery type operations, or an unbounded problem set. In MOLAP data cube model, every answer to very possible [...]

Hybrid OLAP

Hybrid OLAP

Hybird OLAP (HOLAP) Combine the ROLAP and MOLAP storage. Holap attempts to get best of both. HOLAP stores cube structue and preprocessed aggregates in multidimensional database which provides the fast retrieval of aggregate presents in MOLAP, howeve leaflevel data in RDBMS data mart. That leads to slower speed when getting leaf level values, [...]