PostgreSQL

What is PostgreSQL?

PostgreSQL (pronounced "post-grey-sequel") is a sophisticated,
standards-based, Object-Relational database management system
(DBMS) supporting almost all SQL constructs, including
subselects, transactions, and user-defined types and functions.
Initially developed at the University of California at Berkely
in the late 1970s and early 1980s, PostgreSQL is, today, the
most advanced open-source database server in the world,
designed primarily for e-business and enterprise applications.


Why do people use PostgreSQL?

- SQL 92 compliant
- An enhancement of the Postgres DBMS, a next-generation
  research prototype
- Retains the powerful data model and rich data types of
  Postgres while replacing the PostQuel query language with an
  extended subset of SQL
- A very viable alternative to the market-leading proprietary
  databases in terms of performance and scalability
- PostgreSQL has consistently performed an average of four to
  five times faster than every other database in a variety of
  tests administered by an independent technology solutions
  company
- In benchmark tests, maintained a consistent output level
  whether there were one or two simultaneous users
- PostgreSQL significantly outperformed both the leading
  commercial and open-source applications in both speed and
  scalability

PostgreSQL is free, and the complete source is available.

Website: www.postgresql.org

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