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Language peer sets for Relational Calculus: United States↑ United States/1969↑ Designed 1969 ↑ 1960s languages ↑ Third generation↑ High Cold War↑ Genus RDBMs ↑ RDBMs↑ DBMS↑ Data representation ↑ RDBMs/1969↑ DBMS/1969↑ Data representation/1969↑ RDBMs/United States↑ DBMS/United States↑ Data representation/United States↑ Relational Calculus(ID:7031/rel009)alternate simple viewCountry: United States Designed 1969 Genus: RDBMs Codd's formalism of the set-relatedness of data People: Related languages
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