Question

Why Data Warehouse is important for an organization i.e. what the compelling need for data warehousing is?

Answer 1

Answer:

Data warehouse allows users to access critical data from the number of sources in a single place. Therefore, it saves user's time of retrieving data from multiple sources. Data warehouse stores a large amount of historical data. This helps users to analyze different time periods and trends to make future predictions.

Answer 2

Answer:

A data warehouse is a powerful database model that significantly enhances the user‟s ability to quickly analyze large, multidimensional data sets. It cleanses and organizes data to allow users to make business decisions based on facts. Hence, the data in the data warehouse must have strong analytical characteristics.

Explanation:

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