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PostgreSQL Brief History

1977-1985: A project called INGRES was developed:
  • Proof-of-concept for relational databases.
  • Established the company Ingres in 1980.
  • Bought by Computer Associates in 1994.
1986-1994: POSTGRES:
  • Development of the concepts in INGRES with a focus on object orientation and the query language Quel.
  • The code base of INGRES was not used as a basis for POSTGRES.
  • Commercialized as Illustra (bought by Informix, bought by IBM).
1994-1995: Postgres95:
  • Support for SQL was added in 1994.
  • Released as Postgres95 in 1995.
  • Re-released as PostgreSQL 6.0 in 1996.
  • Establishment of the PostgreSQL Global Development Team.

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