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DBMS > PostgreSQL

PostgreSQL System Properties

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Editorial information provided by DB-Engines
NamePostgreSQL
DescriptionWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score555.06
Rank#4  Overall
#4  Relational DBMS
Websitewww.postgresql.org
Technical documentationwww.postgresql.org/­docs
DeveloperPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release1989 info1989: Postgres, 1996: PostgreSQL
Current release13.1, November 2020
License infoCommercial or Open SourceOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageC
Server operating systemsFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeyes
Typing infopredefined data types such as float or dateyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.yes infospecific XML-type available, but no XML query functionality.
Secondary indexesyes
SQL infoSupport of SQLyes infostandard with numerous extensions
APIs and other access methodsADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languages.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyes
Partitioning methods infoMethods for storing different data on different nodespartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlfine grained access rights according to SQL-standard

More information provided by the system vendor

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Related products and services
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
2ndQuadrant: Mission Critical Databases.
CYBERTEC: your professional partner for PostgreSQL services and Data Science based on PostgreSQL since 2000. With offices in Austria, Uruguay, Estonia and Switzerland, CYBERTEC operates worldwide!
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
pgDash: In-Depth PostgreSQL Monitoring.

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
PostgreSQL
DB-Engines blog posts

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

show all

Conferences and events

PostgreSQL Online Trainings
Online Training Courses, 4 May 2020 - 11 December 2020

Recent citations in the news

Postgres Professional and Zabbix to Co-Host Complimentary Virtual PostgreSQL Monitoring Day
30 November 2020, Yahoo Finance

MEDIA ALERT: Swarm64 Webinar to Introduce PG Nitrous, New PostgreSQL Cloud, Hosted on AWS and Accelerated by Swarm64 DA
30 November 2020, Business Wire

Developers increasingly pair MongoDB with PostgreSQL, survey finds
3 November 2020, TechRepublic

Swarm64 DA 5.0 Brings HTAP to the Open Source PostgreSQL Database
2 November 2020, AiThority

EDB Drives Further Postgres Innovation with Release of EDB 13
17 November 2020, DevOps.com

provided by Google News

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