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Understanding metadata scalable data architecture book

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CHAPTER 1 Understanding Metadata: Create the Foundation for a Scalable Data Architecture Key Challenges of Building Next-Generation Data Architectures Today's technology and software advances allow us to process and analyze huge amounts of data. While it's clear that big data is a hot topic, and organizations are investing a lot of money around it, it's important to note that in addition to considering scale, we also need to take into account the variety of the types of data being analyzed. Data variety means that datasets can be stored in many formats and storage systems, each of which have their own characteristics. Tak‐ ing data variety into account is a difficult task, but provides the ben‐ efit of having a 360-degree approach—enabling a full view of your customers, providers, and operations. To enable this 360-degree approach, we need to implement next-generation data architectures. In doing so, the main question becomes: how do you create an agile data platform that takes into account data variety and scalability of future data? The answer for today's forward-looking organizations increasingly relies on a data lake. A data lake is a single repository that manages transactional databases, operational stores, and data generated out‐ side of the transactional enterprise systems, all in a common reposi‐ tory. The data lake supports data from different sources like files, 5

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