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What Is Data Catalog

What Is Data Catalog - A data catalog collects metadata from different source systems and from data warehouses and data lakes that support business intelligence (bi), analytics and data science applications. A data catalog is the inventory of all data assets in an organization that helps data professionals find the most relevant data for any analytical or business purpose. It also allows businesses to differentiate many similar pieces of data and speed up any process relating to retrieving and using data—especially in enterprise environments. It provides detailed information, including the data’s structure, location, ownership, usage, and relationships with other data assets. A data catalog is a collection of metadata, combined with data management and search tools, that helps analysts and other data users to find the data that they need, serves as an inventory of available data, and provides information to evaluate fitness of data for intended uses. As centralized repositories, data catalogs aim to be relevant to users across an organization, systematically organizing and presenting selected datasets and their contexts. Technical metadata includes structural schemas, data types, size, source databases, and more. Data catalogs is a centralized metadata repository that serves as an inventory of available data across the enterprise. A data catalog is a centralized repository or tool that helps organize and manage an organization's metadata. But data catalogs can do more than help users locate data.

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