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Data warehousing is now an essential element of modern business analytics, providing organizations with the potential to store, handle, and analyze large numbers of data efficiently. At the core of info warehousing lies the three-tier architecture, which ensures scalability, functionality, and usability. This architecture, along with it is key components, allows for the seamless flow of data through operational systems to analytical tools. This article will explore the three-tier structure of an info warehouse, its essentia