| PostgreSQL, or Postgres, is an open-source database system licensed under BSD style license.
History
This all goes back to last century when people at the University of California at Berkeley developed
a database system called Ingres (1977-1985). Later, Ingres branched into a few different products:
Relational Technologies/Ingres Corporation, extended Ingres and produced one of the first commercially successful
relational database servers. On the other branch, still at UC Berkley, Michael Stonebraker
led a team and developed an object-relational database server called Postgres (1986-1994).
Illustra 6.2 took the Postgres code and developed it into a commercial product. Two Berkeley graduate students,
Jolly Chen and Andrew Yu, subsequently added SQL capab...[more] |
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