Requirement analysis is one of the important task to ensure successful data warehouse project[9],[10],[15]. It
collects and restructures base information that establish DW design and development of front-end application [13].
It also analyzes business requirement to assist estimation of project scope and leads to ensconce project planning.
Sorting out requirement analysis phase properly and systematically will ensure effective DW implementation [16].
Basically, user requirement analysis approach can fall within four categories