Project Report Free Sample for IGNOU DATA WAREHOUSE
Data warehouse is a centralized repository of an organization’s data holds large amount of data including historical info designed to support efficient data analysis and reporting. Data warehouses are computer based information systems that are home for “secondhand” data that originated from either another application or from an external system or source. 
Warehouses optimize database query and reporting tools because of their ability to analyze data, often from disparate databases and in interesting ways.
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