We all know that data warehouse is a collection of an organization's data stored in an electronic format which most commonly organized and stored in a structure conducive to high speed analysis and summary reporting. In this new millennium it is a great solution where organizations and other businesses factors can have their applications made that will contribute to their global market success. The applications contain all the information required by analyzing how the industry runs and use it to draw their strategy to keep the particular company or organization on top of the competition as much as possible.
Data warehouse always provide fast, effective reporting without the burden of significant added overhead to the organization's operational databases. So it is really easy as well as it save time. Not only that normally data warehouse is thought of as a database of meta data while data warehouse system include components to load, transform, and extract data, as well as tools used to retrieve, analyze, and report on the data and it improve the standardization of data collected from multiple sources.Also when we go further details study of the data warehouse importness we can identify that processing queries and reports from the data warehouse leaves the databases free to provide the transactional processing for which they were designed. While concerning all these factors we can identify that data warehouse is really important.