DATA WAREHOUSE
Data warehouse, as it’s words, mean a storeroom for huge of data. The synonim of data warehouse is data storage, a place to store many kinds of data. Wikipedia defines it as a repository of an organization’s electronically stored data, which designed to facilitate reporting and analysis.
Jill Dyche, in his book “Turning Data into Information with Data Warehousing, states that a data warehouse is a repository of information extracted from other corporate systems -be they transactional systems, departmental databases, or the company’s Intranet- and accessible to business users.
So, what are the purposes of data warehouse?
1. As a place to collect data. Data and its relationship stored in one place, then the catalog of each kind of data make it easier to find what data we need.
2. to facilitate reporting and analysis data.
3. used for decision making on level of knowledge management.
With new technique and present technology of processing information, data warehousing become most popular need as structured data storage. A pattern will be extracted from data warehouse to find strategies or knowledge. It calls Data Mining.
Bibliography
Data Warehouse. http://en.wikipedia.org/wiki/Data_warehouse
Dyche, Jill. e-Data : Turning Data into Information with Data Warehousing. United States of America : Addison-Wesley, 2000.
