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What is a data warehouse?
Data warehousing is a concept. ... It is a set of hardware and software components that can be used to better analyze the massive amounts of data that companies are accumulating to make better business decisions. The data you use to operate your business represents a wealth of knowledge that you may not be fully tapping into. ... Data warehousing can help you take advantage of the knowledge base youve created over time ; the data which manager depend on for better decision making .
Data warehouses have actually been around for several years. A data warehouse is really just another database with some unique characteristics. The primary function of an enterprise data warehouse is to serve as a repository for data that is suitable for analytical applications such as data mining.
An enterprise data warehouse generally contains data transferred from multiple operational databases. Before the data warehouse receives any outside data, various procedures must occur to clean, transform, integrate and organize the data by subject.
Data warehouses may contain both summarized and detailed historical data, which may range from several years to just a few weeks. It is also important to note that for large organizations a data warehouse may feed information to other data warehouses and data marts. ...
Improved decision making as data warehouse can be used to:
• Understand business trends and make better forecasting decisions
• Bring better products to market in a more timely manner
• Analyze daily sales information and make quick decisions that can significantly affect your companys performance
In short, data warehousing can be a solution for maintaining your companys competitive edge with better decision making as a results,
A data warehouse customer example
One AS/400 customer, a large supplier of consumer goods, found that their sales force lacked the kind of information needed to expand their business.
Approximate Word count = 1212
Approximate Pages = 4.8
(250 words per page double spaced)
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