understanding databases for dummies

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A relational data source is an electronic database whose group is dependant on the relational style of data, as suggested by E. F. Codd in 1970. The many software systems used to keep up relational directories are known as a relational repository management system (RDBMS).
Practically all relational databases systems use SQL (Organized Query Words) as the dialect for querying and preserving the database.

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