‘LAP Wars
ROLAP - RDBMS based decision support
Desktop OLAP - term coined in the last few years to distinguish managed query tools that incorporated virtual cube technology into their product (Impromptu, Business Objects)
MOLAP - technology utilizes cube (sparse matrix) technology to produce the multi-dimensional functionality (ESSBASE)
HOLAP - term coined to distinguish “hybrid” products that combine both ROLAP and MOLAP capabilities (Holos)