A Comprehensive Survey of OLAP: Recent Trends

A Multi-Dimensional Database (MDD) is a type of database for performing Data Warehousing and OLAP Operations. They are often made contribution for existing relational databases. The On-Line Analytical Processing (OLAP) is a Multidimensional database that is being used for discovery of information, which includes the abilities of complex analytical estimations, endless report views and prescient situation (conjecture) outline. OLAP discovers its applications in different Business Intelligence (BI) Objectives. Its main parameter is multidimensional facts and data. In this paper, we cover the architectural components and existing OLAP technologies. We have also figured out the usage of each existing technologies. Further, we have framed out the detailed analysis of research on OLAP.