Why OLAP?
"Business
Intelligence Projects using OLAP are not Mission Critical, but they are
Business Critical"
·
Users have direct access to information
o Eliminates the need for a
"report gopher"
o Puts information into the
hands of the decision makers
o Allows users to ask
questions of the database
·
High Return on Investment
o Easier to maintain than
most relational systems because of the inherent calculation properties of a
cube
o Relatively easy to build
and develop
o Quick development cycle
·
OLAP has become the analytical standard
o Lower costs have increased
usage of OLAP products
o Most RDBMS systems now
include an OLAP tool
o In 2003 the OLAP market was
over $3.5 billion
o By 2008 the market is
projected to be $7.0 billion
A multidimensional cube can
combine data from disparate data sources and store the information in a fashion
that is logical for business users.
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