A method by which multi-dimensional analysis occurs.
Lookup transformations are those transformations which have admission right to RDBMS based data set. The server makes the access faster by using the lookup tables to look at explicit table data or the database. Concluding data is achieved by matching the look up condition for all look up ports delivered during transformations.
ROLAP eg.BO, MOLAP eg.Cognos, HOLAP, DOLAP