DB-EnginesInstaclustr banner English
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT
AWS Marketplace

DBMS > PostgreSQL

PostgreSQL System Properties

Please select another system to compare it with PostgreSQL.

Our visitors often compare PostgreSQL with MySQL, Oracle and MariaDB.

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
Score372.36
Rank#4  Overall
#4  Relational DBMS
Websitewww.postgresql.org
Technical documentationwww.postgresql.org/­docs/­manuals
Purchase software

Buy it now at Amazon Webservices Marketplace

EnterpriseDB Corporation: Postgres Plus Cloud Database Basic (HVM)
DeveloperPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release1989 info1989: Postgres, 1996: PostgreSQL
Current release9.6.5, August 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 (almost entire) SQL standard (DML, DDL and DCL statements)yes 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

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

3rd party products and services
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

Recent citations in the news

MyDiamo Expands Open Source Database Encryption Offerings to Include PostgreSQL
19 September 2017, AsiaOne

VividCortex Announces Expanded PostgreSQL Performance ...
5 September 2017, PR Web (press release)

Expert Postgres Developer Andres Freund Joins EnterpriseDB
6 September 2017, Markets Insider

2ndQuadrant's World Renowned Customer Service Achieves Best ...
31 August 2017, PR Newswire (press release)

Россияне скрестили PostgreSQL и блокчейн - CNews
14 September 2017, CNews.ru

provided by Google News

Job opportunities

Devops Consultant(Need Only Local)
tanisha systems inc, Philadelphia, PA

Ionic Web Developer
Mobiquity, Remote

Devops/Linux Admin
tanisha systems inc, Atlanta, GA

Systems Automation Engineer
Amazon Web Services, Inc., Herndon, VA

Full Stack Engineer
CrowdStreet, Portland, OR

jobs by Indeed




Share this page

Featured Products

Neo4j logo

Get your step-by-step guide comparing RDBMS to graph databases, including data models, query languages, and deployment strategies.

RavenDB logo

.NET & Linux,
try the next level in performance with RavenDB 4.0 where Speed meets ACID.
Free download.

Datastax logo

Datastax delivers Apache Cassandra as part of a database platform purpose built for IOT, Web and Mobile Apps. Download now.

Couchbase logo

SQL + JSON + NoSQL.
Power, flexibility & scale.
All open source.
Get started now.

Present your product here