Explain in few paragraphs the significance and importance of Data Modeling in the context of Data Warehousing (DW).
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DM contributes on the design of some abstract model for a specific subject or area of interest (Patel & Patel , 2012, p. 240). Considering two of the most used DM techniques, this assertion gives both the significance and importance of DM in the context of DW. For instance, the usage of ER technique (which emphasizes the entities and relationships between them) or multidimensional modeling (based on facts, dimensions, and measures) improve the DW business processes as overall....
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