What is a Data Warehouse?

posted Feb 20, 2012, 11:18 AM by Sachchida Ojha   [ updated Feb 20, 2012, 11:19 AM ]
A Data Warehouse is the central repository of information gathered about the Enterprise that is required to support Business Decision Making (BDM). In other words A Data warehouse is a culmination of information gathered about the enterprise.

In a data warehouse, data must be,

1. Centralized

2. Agreed upon

3. Easily Accessible

4. Timely and relevant



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