Recent Investigations in Relational Data Base Systems.

@inproceedings{DBLP:conf/pacific/Codd75,
  author    = {E. F. Codd},
  title     = {Recent Investigations in Relational Data Base Systems},
  booktitle = {ACM Pacific},
  year      = {1975},
  pages     = {15-20},
  ee        = {db/conf/pacific/Codd75.html},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

Abstract

Copyright © 1975 by the ACM, Inc., used by permission. Permission to make digital or hard copies is granted provided that copies are not made or distributed for profit or direct commercial advantage, and that copies show this notice on the first page or initial screen of a display along with the full citation.

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Referenced by

1. Donald D. Chamberlin, A. M. Gilbert, Robert A. Yost: A History of System R and SQL/Data System (Invited Paper). VLDB 1981: 456-464