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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
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score466.11
Rank#4  Overall
#4  Relational DBMS
Websitewww.postgresql.org
Technical documentationwww.postgresql.org/­docs/­manuals
DeveloperPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release1989 info1989: Postgres, 1996: PostgreSQL
Current release11.1, November 2018
License infoCommercial or Open SourceOpen Source infoBSD
Cloud-based only infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service
  • Azure Database for PostgreSQL: A fully managed, scalable PostgreSQL relational database with high availability and security built in at no extra cost
  • Google Cloud SQL: A fully-managed database service for the Google Cloud Platform
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 methodsnative C library
streaming API for large objects
ADO.NET
JDBC
ODBC
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 nodesMaster-slave 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
Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
Progress DataDirect: Data connectivity across standard SQL and REST

We connect data for 350+ technology partners around the globe including 8 of the top 9 Business Intelligence and Analytics platforms. We co-founded the ODBC specification and serve on the JDBC Expert Group, OData Technical Committee for REST APIs and ANSI SQL Committee.

Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
The PostgreSQL Community edition helps you easily lift and shift to the cloud, using languages and frameworks of your choice. On top of that, you get built-in high availability and capability to scale in seconds, helping you easily adjust to changes in customer demands
Additionally, you benefit from the unparalleled security and compliance, including Azure IP advantage, as well as Azure’s industry leading reach. All this with a flexible pricing model so you can choose resources for your workload with no hidden cost
Azure Database for PostgreSQL
2ndQuadrant: The team of diligent PostgreSQL experts.

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

PGCon 2019, PostgreSQL Conference for Users and Developers
Ottawa, Canada, 28-31 May 2019

Recent citations in the news

The Guardian's Migration from MongoDB to PostgreSQL on Amazon RDS
9 January 2019, InfoQ.com

PostgreSQL wins ‘DBMS of the year’ 2018 beating MongoDB and Redis in DB-Engines Ranking
9 January 2019, Packt Hub

Support for PostgreSQL 11 in dotConnect for PostgreSQL, LinqConnect, SSIS Components, and Entity Developer by Devart
16 January 2019, PR.com

Challenges of managing PostgreSQL
2 November 2018, JAXenter

SQL tutorial: Learn SQL on PostgreSQL
8 October 2018, InfoWorld

provided by Google News

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