Relational Database Management System is a program that lets you create, update, and administer a relational database. Most relational database management systems use SQL to access the database.
|Used by||Oracle, Amazon, Google|
The term "relational database" was invented by E. F. Codd at IBM in 1970. Codd introduced the term in his research paper "A Relational Model of Data for Large Shared Data Banks". In this paper and later papers, he defined what he meant by "relational". One well-known definition of what constitutes a relational database system is composed of Codd's 12 rules.
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