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Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
book

Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition

by Whei-Jen Chen, Pat Bates, Timothy Donovan, Garrett Fitzsimons, Jon Lind, Rogerio Silva
October 2012
Beginner to intermediate content levelBeginner to intermediate
506 pages
12h 43m
English
IBM Redbooks
Content preview from Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
112 Solving Operational Business Intelligence with InfoSphere Warehouse Advanced Edition
multidimensional expressions (MDXs) as the query language. However, the data
is not copied or persisted in another storage mechanism, but remains in the DB2
relational database.
Cubing Services thus is what we refer to as a “multidimensional OLAP hot
cache.” That is, InfoSphere Warehouse Cubing Services loads data into a
multidimensional structure in memory.
That partial MOLAP structure can then deliver fast response times for the data
that is in memory cache. If a user of a query tool requests data that is not in the
cache, the Cubing Services engine generates queries to the relational database
to retrieve the data and builds a partial in-memory cube-lik ...
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