Chapter 3 Reference 4

A Relational Model of Data for Large Shared Data Banks

Edgar F. Codd

Communications of the ACM 1970 seas.upenn.edu

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As cited in DDIA

Edgar F. Codd. "A Relational Model of Data for Large Shared Data Banks." Communications of the ACM, volume 13, issue 6, pages 377–387, June 1970. doi:10.1145/362384.362685

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DOI: 10.1145/362384.362685