Importance of metadata schema

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Metadata
What is the importance of metadata schema?
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Metadata is structured, encoded data that describes characteristics of objects that transmit information. Data carriers contribute to the identification, detection, assessment and management of these objects. Usually, metadata refers to any information required in IT to analyse, design, build, implementation and use the computer system. In the case of information systems metadata particularly simplify management, query, use and full understanding of the data.

Schema is one of the objects of the database Oracle database. RIS scheme exists in the RIS-interface database access. SCHEMA also appeared in Microsoft SQL Server 2005 and formally defined as a set of objects in the database. In database systems, database schema describes not only the structure of the database in general, but also shows characteristics of its structural components. It describes the individual tables in a relational database, for example. Twitter uses a metadata schemas to ensure the best user interaction in the propagation of information through social platforms.

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