The acronym OLAP stands for On-Line Analytical Processing. OLAP
Tools are used to analyze multi-dimensional data. These powerful tools allow
users to identify observe trends and then to "drill-down" to discover the details
behind those trends.
As the name implies, OLAP tools are "online" and are used for
"analytics". Many firms are addressing their information needs by
replacing their static, paper-based legacy reports with online access to
corporate information via OLAP Tools.