Question:
Various universities are using information management systems that stores students, administrative and faculty information. The data of university management information system is available at each university level and there is a need to develop a data warehouse for the purpose of analysis and development of decision support environment. For the above purpose, HEC is planning to develop a data warehouse of universities information management system. In order to develop the data warehouse; the following implementation strategies can be used:
1. Top down approach
2. Bottom up approach
Keeping in view the requirements of the data warehouse and characteristics of the above mentioned approaches which approach you considers as the best approach that HEC should opt for data warehouse implementation. Justify your answer with reasons. Your answer must be to the point and precise.