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PostgreSQL System Properties

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Editorial information provided by DB-Engines

Name

Description

Widely used open source RDBMS info

Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL

Primary database model

Relational DBMS info

with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.

Secondary database models

Document store
Key-value store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	466.11
Rank	#4	Overall
	#4	Relational DBMS

Website

www.postgresql.org

Technical documentation

www.postgresql.org/docs/manuals

Developer

PostgreSQL Global Development Group info

www.postgresql.org/developer

Initial release

1989

1989: Postgres, 1996: PostgreSQL

Current release

11.1, November 2018

License

Commercial or Open Source

Open Source info

BSD

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database 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 language

Server operating systems

FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows

Data scheme

yes

Typing

predefined data types such as float or date

yes

XML support info

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

yes

specific XML-type available, but no XML query functionality.

Secondary indexes

yes

SQL

Support of SQL

yes

standard with numerous extensions

APIs and other access methods

native C library
streaming API for large objects
ADO.NET
JDBC
ODBC

Supported programming languages

.Net
C
C++
Delphi
Java info

JDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl

Server-side scripts info

Stored procedures

user defined functions info

realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.

Triggers

yes

Partitioning methods info

Methods for storing different data on different nodes

partitioning by range, list and (since PostgreSQL 11) by hash

Replication methods info

Methods for redundantly storing data on multiple nodes

Master-slave replication info

other methods possible by using 3rd party extensions

MapReduce

Offers an API for user-defined Map/Reduce methods

Consistency concepts info

Methods to ensure consistency in a distributed system

Immediate Consistency

Foreign keys info

Referential integrity

yes

Transaction concepts info

Support to ensure data integrity after non-atomic manipulations of data

ACID

Concurrency info

Support for concurrent manipulation of data

yes

Durability info

Support for making data persistent

yes

In-memory capabilities info

Is there an option to define some or all structures to be held in-memory only.

User concepts info

Access control

fine 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.

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

2ndQuadrant: The team of diligent PostgreSQL experts.

2ndQuadrant: The Gold Standard for PostgreSQL Products and Services.

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

More resources

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

more DBMS 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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PostgreSQL System Properties

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