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PostgreSQL by Susan Douglas, Korry Douglas

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Introduction

PostgreSQL is a relational database with a long history. In the late 1970s, the University of California at Berkeley began development of PostgreSQL's ancestor—a relational database known as Ingres. Relational Technologies turned Ingres into a commercial product. Relational Technologies became Ingres Corporation and was later acquired by Computer Associates. Around 1986, Michael Stonebraker from UC Berkeley led a team that added object-oriented features to the core of Ingres; the new version became known as Postgres. Postgres was again commercialized; this time by a company named Illustra, which became part of the Informix Corporation. Andrew Yu and Jolly Chen added SQL support to Postgres in the mid-90s. Prior versions had used a ...

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