Chapter 1. About PostgreSQL

PostgreSQL is an object-relational database management system (DBMS). Its initial implementation started in 1986, and PostgreSQL is now the world's most advanced Open Source database system available. PostgreSQL's predecessor was Ingres, a database developed at the University of California at Berkeley (1977–1985). From 1986 to 1994, Michael Stonebraker led a team that focused on the development of an object-relational database server called Postgres (post is the Latin word for after; PostgreSQL came after Ingres). The code was then taken by Illustra and developed into a commercial product.

Illustra Information Technologies merged with Informix, which is now a global player in the database business (in 2001, Informix ...

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