a) How are data warehouse projects different from OLTP system projects? Describe four (4) such differences. 

b) As a senior analyst on the project team of a publishing company exploring the options for a data warehouse, make a case for OLAP and how it will be essential in your environment.

c) You are asked to form a small team to evaluate the MOLAP and ROLAP models and make your recommendations. This is part of the data warehouse project for a large manufacturer of heavy chemicals. Describe the criteria your team will use to make the evaluation and selection.

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