Relational database technology effectively address this need, which in turn led to it pervasive use across government.

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Data silos evolved from a system-centric IT procurement policy and an almost reflexive reliance on relational database technology.

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This traditional database platforms, known as relational database management systems (RDBMS) all use a language called SQL (structured query language).

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In a relational database, this would probably involve several tables and joins.

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Does it contain a significant amount of unstructured data from video or audio or can it be put into a relational database easily?

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For example, customer data could go into a relational database, linked to a non-relational database for unstructured data such as product reviews and recommendations.

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With a relational database, you start with the domain objects, and represent them in a way that guarantees that virtually any query can be expressed.

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In a data warehouse, the main mode of access is a relational database storage paradigm, in which the structure of the data was predetermined at the time the database was designed.

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Both Memcached, which accelerates existing relational databases like MySQL, and Redis, which is a complete, stand-alone database and acceleration solution, are open source technologies.

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