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/'post-gres-kyu-el/ An enhancement of the POSTGRES database system.

PostgreSQL is an advanced relational database management system with some object oriented approaches. PostgreSQL is developed and distributed as free software, and while retaining its freedom it remains technically and featurewise a worthy competitor to even the most advanced commercial alternatives.

It was also one of the first databases to offer MVCC as opposed to row-level locking or table locking, thereby greatly improving multi-user performance.

PostgreSQL implements an extended subset of ANSI SQL and runs on many platforms. It also has interfaces to many different programming languages and database protocols, like ODBC and JDBC.
References in periodicals archive ?
NET, PHP under operating systems Windows, Linux or Solaris and Microsoft SQL database, Oracle Postgress. The e-Learning systems can be developed by companies and are available under license, without a right of access to source code, other systems are free and often "open-source."
To stay relevant in today's Dataverse, technologists must look beyond the structured data stored in traditional Databases, be they Oracle, Microsoft SQL Server, MySQL, Postgress, et al.
In practice, users could use the JBoss open source application server or the MySQL or Postgress database system.
The predominant access method for multidimensional data is R-trees [Guttman 1984] and their variations, which are currently used in many commercial DBMSes, like Illustra, Postgress, Mapinfo, etc.
The POSTGRESS next-generation database management system.
POSTGRESS contains an extensive type system and a powerfu; notion of function.