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PostgreSQL supports a binary communication protocol that allows applications to connect to the database server. The protocol is versioned (currently 3.0, as of PostgreSQL 7.4) and has a detailed specification. [ 46] The official client implementation of this communication protocol is a C API, libpq. [ 47]
PL/pgSQL (Procedural Language/PostgreSQL) is a procedural programming language supported by the PostgreSQL ORDBMS. It closely resembles Oracle 's PL/SQL language. Implemented by Jan Wieck, PL/pgSQL first appeared with PostgreSQL 6.4, released on October 30, 1998. [ 1 ]
EnterpriseDB ( EDB ), a privately held company based in Massachusetts, provides software and services based on the open-source database PostgreSQL (also known as Postgres), and is one of the largest contributors to Postgres. [2] EDB develops and integrates performance, security, and manageability enhancements into Postgres to support enterprise ...
Ingres Database (/ ɪ ŋ ˈ ɡ r ɛ s / ing-GRESS) is a proprietary SQL relational database management system intended to support large commercial and government applications.. Actian Corporation, which announced April 2018 that it is being acquired by HCL Technologies, controls the development of Ingres and makes certified binaries available for download, as well as providing worldwide support.
NMDB, [37] PostgreSQL: The biggest video streaming service in the world. *data on programming languages is based on: HTTP Header information; Request for file types;
postgis .net. PostGIS ( / ˈpoʊstdʒɪs / POST-jis) is an open source software program that adds support for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial Consortium (OGC). PostGIS is implemented as a PostgreSQL external extension.
Access Database Engine (formerly known as Jet Database Engine) Proprietary. Actian Zen (PSQL) (formerly known as Pervasive PSQL) Proprietary. Adabas D. Proprietary. Airtable. Proprietary. Altibase.
SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...