An extension of the database language SQL to capture more relational concepts

  • Authors:
  • Gottfried Vossen;Jim Yacabucci

  • Affiliations:
  • Department of Computer Science and Engineering C-014A, University of California, San Diego, La Jolla, CA;Department of Computer Science and Engineering C-014A, University of California, San Diego, La Jolla, CA

  • Venue:
  • ACM SIGMOD Record
  • Year:
  • 1988

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Abstract

An extension of the database language SQL is described which introduces several new concepts into the language that are standard in the relational model, but surprisingly not present in available SQL-based systems such as SQL/DS and DB2.