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DBMS > PostgreSQL

PostgreSQL System Properties

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Editorial information provided by DB-Engines
NamePostgreSQL
DescriptionBased on the object relational DBMS Postgres infoDeveloped as objectoriented DBMS, 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.
Additional database modelsDocument store
Key-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score379.92
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 release10.1, November 2017
License infoCommercial or Open SourceOpen Source infoBSD
Cloud-based infoOnly available as a cloud serviceno
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
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 nodesno, but can be realized using table inheritance infofor each partition a subtable, inserts are controlled with triggers
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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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

3rd party products and services
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
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.

We invite representatives of 3rd party vendors to contact us for presenting information about their offerings here.

More resources
PostgreSQL
DB-Engines blog posts

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

PostgreSQL moves up one rank at the expense of MongoDB
1 September 2016, Paul Andlinger

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

show all

Conferences and events

PGCon 2018, PostgreSQL Conference for Users and Developers
Ottawa, Canada, 29 May 2018 - 1 June 2018

Recent citations in the news

Distributed PostgreSQL Settling Into Cloud
16 November 2017, Datanami

AWS Announces General Availability for Amazon Aurora PostgreSQL
25 October 2017, Business Wire (press release)

Technical Leadership from EnterpriseDB to Address PostgreSQL Conference Europe
23 October 2017, PR Newswire (press release)

Amazon Aurora expands reach, but maybe not far enough
17 November 2017, TechTarget

Crunchy Data Announces Crunchy PostgreSQL 10 for Kubernetes
23 October 2017, PR Web (press release)

provided by Google News

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