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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
Score405.81
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 release10.4, May 2018
License infoCommercial or Open SourceOpen Source infoBSD
Cloud-based infoOnly available as a cloud serviceno
DBaaS offerings (sponsored links) infoDatabase as a ServiceGoogle 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
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 nodesdeclarative partitioning (by range or by list) since PostgreSQL 10.0 infoprior to 10.0, partitioning could be realized with table inheritance
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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3rd party products and services
Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
DBHawk: a web-based PostgreSQL/Greenplum database tool. Boost database development and BI productivity with an online Universal database tool.
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
2ndQuadrant: The team of diligent PostgreSQL experts.
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

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

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

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Recent citations in the news

How to install PostgreSQL on Ubuntu 18.04
12 July 2018, TechRepublic

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17 July 2018, thebusinesstactics.com

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10 July 2018, ProPublica

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10 July 2018, GlobeNewswire (press release)

provided by Google News

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