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Relational database

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Relational Data Model

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Relational Databases

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Entering data into a relational database

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Getting Started with Relational Databases

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Relational Model Concepts - Databases and SQL for Data Science by IBM #11

A relational database is a digital database based on the relational model of data, as proposed by E. F. Codd in 1970. A software system used to maintain relational databases is a relational database management system (RDBMS). Virtually all relational database systems use SQL for querying and maintaining the database.
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