A data warehouse's main objective was to compile data from several organizational departments into a single repository so that staff members could make choices and carry out business analytical tasks.
A data warehouse is a central repository of data that can be searched and analyzed to better inform decision-makers. Data is frequently and constantly fed into a data warehouse from sources such as relational databases, transactional systems, and other sources.
A data warehouse's main function is to conduct analytical processes. Information is extracted from internal databases, transformed using a standard set of corporate definitions, and then loaded into an external database through the process of extraction, transformation, and loading.
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