• International Organization for Standardization (ISO) – “Database Language SQL”, Document ISO/IEC 9075:1992
  • American National Standards Institute – “Database Language Embedded SQL”, Document ANSI X3.168-1989
  • R. Elmasri and S.B. Navathe – “Fundamentals of Database Systems”, Second Edition, The Benjamin/Cummings publishing company, 1994
  • F.D. Rolland – “The essence of databases”, Prentice Hall, 1998
  • E.F. Codd – “A Relational Model of Data for Large Shared Data Banks”, Communications of the ACM 13, No. 6, June 1970
  • C.J. Date with Hugh Darwen – “A Guide To The SQL Standard”, Fourth Edition, Addison-Wesley, 1997
  • Jan L. Harrington – “SQL Clearly Exmplained”, AP Professional, 1998
  • Helmut Kopka and Patrick W. Daly – “A Guide to LaTeX 2e”, Second Edition, Addison-Wesley, 1995
  • Jason Hunter with William Crawford – “Java Servlet Programming”, O’Reilly, 1998
  • http://www.postgresql.org
    Il sito dedicato a PostgreSQL. Vi si puo’ inoltre trovare una versione elettronica del libro di Bruce Momjian – “PostgreSQL: Introduction and Concepts”

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