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A Data warehouse exists as a central repository having historical data accumulated from different sources.
What is a data warehouse?
A Data warehouse exists as a central repository having historical data accumulated from different sources. This data exists utilized for purely analytical purposes and aids in creating a better-informed finding for an organization. A Data warehouse exists developed for analysis rather than transaction processing like regular databases.
Data warehouse engineers exist liable for designing and building data warehouses in large databases that store data from multiple origins. They work with a combination of stakeholders to determine what data should be contained in the warehouse, how it should be arranged, and how it can be utilized most effectively.
There exist four main functions that donate to a data warehouse
- Extract and load the data.
- Cleaning and transforming the data.
- Backup and archive the data.
- Managing queries and directing them to the proper data sources.
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