What Is a Data Warehouse? Data warehousing is one of the hottest topics both in business and in data science. But if youâre new to the field, youâre probably wondering what a data warehouse is, why we need it, and how it works. Donât worry because in 4 minutes youâll know the answers to all these questions.
First, letâs start with a definition: what is the meaning of the phrase: âSingle source of truthâ. In information systems theory, the âsingle source of truthâ is the practice of structuring all the best quality data in one place.
But what if you knew that there is one single place where you would always have the single source of information? That would be quite helpful wouldnât it? Well, a data warehouse exists to fill that need.
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