Information AboutHolap |
| CATEGORIES ABOUT HOLAP | |
| olap | |
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VERTICAL PARTITIONING In this mode HOLAP stores ''aggregations'' in MOLAP for fast query performance, and detailed data in ROLAP to optimize time of cube ''processing''. HORIZONTAL PARTITIONING In this mode HOLAP stores some slice of data, usually the more recent one (i.e. sliced by Time dimension) in MOLAP for fast query performance, and older data in ROLAP . PRODUCTS Examples of commercial products which support HOLAP storage mode are Microsoft Analysis Services and MicroStrategy . EXTERNAL LINKS Owen Kaser and Daniel Lemire, Attribute Value Reordering for Efficient Hybrid OLAP , In DOLAP'03, New Orleans, Louisiana, November 7, 2003. |
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