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When the data has a role in the work of the Organization, the more. Therefore, it is necessary to apply the. The information contained in many ways to give The maximum benefits. The problem occurred when a large organization, an organization which consists of several departments, each department store data related to their departments, which may use different database management systems to. The structure of the data, it might be different, or even use the same name, but refers to the people, or of the same name, but different in each Department, calls these things result in the release of the mass must be applied to create data warehouse (Data Warehousing)To make a copy. The data from the database of each Department, and the. The appropriate changes, and is used to develop. Create a centralized database, a repository of information, this will be. Adjusted according to the database of each Department, but may not be necessary to adjust the data immediately be changed every night, which may be modified from time to time that is not being used by this database, a repository of information resulting in the company's overall information. Have the same structure allows for advertising or evaluates each Department's performance and the result. Better planning and analysis.
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