Data warehouses are typically used for
business intelligence (BI), reporting and data analysis. Data warehouses make it possible to quickly and easily analyze business data uploaded from operational systems such as point-of-sale systems, inventory management systems, or marketing or sales databases.Because a data warehouse can store large amounts of information, it provides users with easy access to a wealth of historical data, which can be used for
data mining, data visualization, and other forms of business intelligence reporting.
Here are some additional uses of data warehouses:
- Auditing and compliance
- Big data integration
- Tactical reporting
- Natural language processing
Data Warehouse is needed for the following reasons:
- 1) Business User: Business users require a data warehouse to view summarized data from the past. Since these people are non-technical, the data may be presented to them in an elementary form.
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Data warehouses find themselves to be of use in the service sector for maintenance of financial records, revenue patterns, customer profiling, resource management, and human resources. The telephone industry operates over both offline and online data burdening them with a lot of historical data which has to be consolidated and integrated.
