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Data Warehousing
A data warehouse is exactly what it sounds like - a place where data gets stored. It is a centralized data management system where your data lives either before or after it’s cleaned and prepared for sending to business intelligence applications. Data Warehousing is the process of collecting structured data from single or multiple sources into a data warehouse to facilitate reporting, ad hoc queries & decision-making.
Data Warehouse is the most important thing in your data stack - the goal of a data warehouse is to create a trove of historical data that can be retrieved and analyzed to provide useful insight into the organization's operations. The first thing you need to build in your stack is a data warehouse because, without it, you can’t do any analysis without it.
