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PostgreSQL

PostgreSQL (/ˈpoʊstɡrɛskjuˌɛl/ ⓘ POHST-gres-kew-EL), also known as Postgres, is a free and open-source relational database management system (RDBMS) emphasizing extensibility and SQL compliance. PostgreSQL features transactions with atomicity, consistency, isolation, durability (ACID) properties, automatically updatable views, materialized views…

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Developer
PostgreSQL Global Development Group
License
PostgreSQL License (free and open-source, permissive)
Other names
Postgres
Preview release
19 beta 3 / 13 August 2026; 10 days ago (13 August 2026)
Release
8 July 1996; 30 years ago (1996-07-08)
Repository
git.postgresql.org/gitweb/?p=postgresql.git

Topics to explore

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Overview

History

Multiversion concurrency control (MVCC)

Storage and replication

Control and connectivity

Security

Benchmarks and performance

Platforms

Database administration

Notable users

Service implementations

Ecosystem and Derivatives

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Map overview Semantic statistics

PostgreSQL

Nodes265
Edges264
Triples288
Avg. degree1.99
Density0.007547
Components1

How this topic connects Entity context

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PostgreSQL

Top relations

related to Notable users · 54
PostgreSQL → Afilias, Amazon Redshift, API, Aster Data Systems's, Atmospheric Administration's, AWS, BASF, Because WhitePages, ChatGPT, Disqus, FlightAware, Geni, Grofers, IFPS, In, Instagram, Interactive Forecast Preparation System, Mail, Met Office, Microsoft
related to Service implementations · 39
PostgreSQL → Alibaba Cloud, AlloyDB, AlloyDB Omni, Amazon Aurora, Amazon Web Services, ApsaraDB, Availability, Azure Databases, DBaaS, End, EnterpriseDB, EOA, Google Cloud Platform, Heroku, IBM Cloud, IBM Cloud Hyper Protect, In April, In December, In January, In June
related to Platforms · 20
PostgreSQL → Architecture, ARM, ARMv6, DragonFlyBSD, FreeBSD, It, Linux, MIPS, NetBSD, OpenBSD, PA-RISC, Power ISA, PowerPC, Raspberry Pi, RISC-V, S/390, Solaris, SPARC, Windows, Windows Server
related to Indexes · 18
PostgreSQL → B-tree, Block Range Indexes, BRIN, CREATE INDEX, Expression, GIN, GiST, In, Index-only, Indexes, KNN-GiST, NN, Partial, SP-GiST, Space-Partitioned GiST, The, This, WHERE
related to Benchmarks and performance · 16
PostgreSQL → GlassFish, Itanium-based HP-UX, JOPS, June, Many, Oracle, Performance, Platform Edition, Server, Simple, SPECjAppServer2004 JOPS, Standard, Sun Java System Application, The, This, UltraSPARC T1-based Sun Fire
related to Data types · 15
PostgreSQL → BinaryDate/time, BooleanArbitrary-precision, BSON, CIDR, GB, Inter-Domain Routing, IPv6, JavaScript Object Notation, JSON, JSONB, MAC, MoneyEnumBit, PostgreSQLArrays, UUID, XPath
related to Ingres and University POSTGRES (1982–1994) · 12
PostgreSQL → Berkeley, California, He, In, In POSTGRES, Ingres, Michael Stonebraker, POSTGRES, The, These, Turing Award, University
related to Asynchronous notifications · 10
PostgreSQL → JDBC, LISTEN, Many, Notifications, NOTIFY, Npgsql, Other, Such, This, UNLISTEN
related to Multiversion concurrency control (MVCC) · 10
PostgreSQL → ACID, Because PostgreSQL, MVCC, Read Committed, Read Uncommitted, Repeatable Read, Serializable, SSI, The PostgreSQL MVCC, This
related to PostgreSQL (1996–present) · 10
PostgreSQL → Code, Group, In, January, October, PostgreSQL License, Since, SQL, The, The PostgreSQL Global Development

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Important terminology

database data system also support sql postgres used version using types table triggers features replication service server including languages use

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
PostgreSQLDeveloperPostgreSQL Global Development Group1.00infobox
PostgreSQLLicensePostgreSQL License (free and open-source, permissive)1.00infobox
PostgreSQLOther namesPostgres1.00infobox
PostgreSQLPreview release19 beta 3 / 13 August 2026; 10 days ago (13 August 2026)1.00infobox
PostgreSQLRelease8 July 1996; 30 years ago (1996-07-08)1.00infobox
PostgreSQLRepositorygit.postgresql.org/gitweb/?p=postgresql.git1.00infobox
PostgreSQLStable release18.6 / 13 August 20261.00infobox
PostgreSQLTypeRDBMS1.00infobox
PostgreSQLWebsitewww.postgresql.org1.00infobox
PostgreSQLWritten inC (and C++ for the LLVM dependency)1.00infobox
repmgr make managing replication clusters easier.Several asynchronous trigger-based replication packages are availableinstance ofis an asynchronous multi-master replication system for PostgreSQL.Tools0.80text
those arranged in a star schemainstance ofuseful for data warehouse applications for joining a large fact table to smaller dimension tables0.80text

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