DB-EnginesExtremeDB: the mission critical dbmsEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > OushuDB vs. PostgreSQL vs. UniData,UniVerse

System Properties Comparison OushuDB vs. PostgreSQL vs. UniData,UniVerse

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameOushuDB  Xexclude from comparisonPostgreSQL  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelRelational DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Multivalue DBMS
Secondary database modelsDocument store
Graph DBMS infowith Apache Age
Spatial DBMS
Vector DBMS infowith pgvector extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.10
Rank#381  Overall
#160  Relational DBMS
Score620.75
Rank#4  Overall
#4  Relational DBMS
Score4.32
Rank#88  Overall
#2  Multivalue DBMS
Websitewww.oushu.com/­product/­oushuDBwww.postgresql.orgwww.rocketsoftware.com/­products/­rocket-u2
Technical documentationwww.oushu.com/­documentationwww.postgresql.org/­docswww.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperOushuPostgreSQL Global Development Group infowww.postgresql.org/­developerRocket Software
Initial release1989 info1989: Postgres, 1996: PostgreSQL1985
Current release4.0.1, August 202016.0, September 2023
License infoCommercial or Open SourcecommercialOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Aiven for PostgreSQL: Fully managed and hosted PostgreSQL® with 70+ extensions and orchestration tooling included.
Implementation languageCC
Server operating systemsLinuxFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
AIX
HP-UX
Linux
Solaris
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesoptional
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 indexesyesyesyes
SQL infoSupport of SQLFull-featured ANSI SQL supportyes infostandard with numerous extensionsyes
APIs and other access methodsJDBC
ODBC
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languagesC
C++
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresyesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes
Triggersyesyesyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesyespartitioning by range, list and (since PostgreSQL 11) by hashnone
Replication methods infoMethods for redundantly storing data on multiple nodesSource-replica replication infoother methods possible by using 3rd party extensionsSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlKerberos, SSL and role based accessfine grained access rights according to SQL-standardAccess rights according to SQL-standard and operating system based

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
3rd partiesInstaclustr: Fully Hosted & Managed PostgreSQL
» more

Redgate webinars: A series of key topics for new PostgreSQL users.
» more

Aiven for PostgreSQL: The familiar open source PostgreSQL® that you know and love, with no proprietary features or add-ons that will lock you in.
» more

Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
» more

Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters
» more

pgDash: In-Depth PostgreSQL Monitoring.
» more

Navicat Monitor is a safe, simple and agentless remote server monitoring tool for PostgreSQL and many other database management systems.
» more

Fujitsu Enterprise Postgres: An Enterprise Grade PostgreSQL with the flexibility of a hybrid cloud solution combined with industry leading security, availability and performance.
» more

Timescale: Calling all PostgreSQL users – the 2023 State of PostgreSQL survey is now open! Share your favorite extensions, preferred frameworks, community experiences, and more. Take the survey today!
» more

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

More resources
OushuDBPostgreSQLUniData,UniVerse
DB-Engines blog posts

Snowflake is the DBMS of the Year 2022, defending the title from last year
3 January 2023, Matthias Gelbmann, Paul Andlinger

Snowflake is the DBMS of the Year 2021
3 January 2022, Paul Andlinger, Matthias Gelbmann

Driving the Future of PostgreSQL Adoption
15 November 2021,  Umair Shahid, Percona (sponsor) 

show all

Conferences and events

PostgreSQL 101: An introduction to Multi-Version Concurrency Control and Vacuum
Webinar with Q&A, 11am CT / 5pm BST, 24 October 2023

Recent citations in the news

喜讯| 偶数科技荣获第四届“浦发银行国际金融科技创新大赛”提名奖
9 October 2020, 速途网

AI+云原生,偶数科技数据仓库之路怎么走?
26 August 2021, OFweek

重新定义湖仓一体化:偶数科技崭露国产数据库领导力
16 August 2022, 36kr

寒冬之下持续吸金,蛰伏30年的国产数据库终迎黄金时代?|36氪研究
16 May 2022, 36kr

历史上的今天:GPG 作者诞生;激光器之父出生;Windows Phone ...
11 July 2022, Sohu

provided by Google News

Understanding the Fundamentals of PostgreSQL® Architecture
25 September 2023, Datanami

High Performance Functions in Rust on RDS PostgreSQL
25 September 2023, InfoQ.com

Timescale Vector Launches to Enable Developers to Build ...
25 September 2023, insideBIGDATA

Turn PostgreSQL Into A Vector Store
26 September 2023, iProgrammer

PostgreSQL 16 Expands Analytics Capabilities
22 September 2023, The New Stack

provided by Google News

Unidata purchases own ordinary shares for EUR22,000 -September ...
25 September 2023, Marketscreener.com

SPINCO Business Analyst
29 August 2023, ReliefWeb

Tsunami Detection System Market is expected to witness Incredible Growth forecast 2030 | Sonardyne, A3M,
25 September 2023, Benzinga

Unidata rachète ses propres actions ordinaires pour 22 000 euros
25 September 2023, Zonebourse.com

Unidata uses Jetstream to make geoscience data available to ...
29 January 2020, IU Newsroom

provided by Google News

Job opportunities

Python and PostgreSQL Developer | Coding Instructor - Online Eastern Timezone
Nucamp, Remote

Python and PostgreSQL Developer | Coding Instructor - Online Mountain Timezone
Nucamp, Remote

Python and PostgreSQL Developer | Coding Instructor - Online Pacific Timezone
Nucamp, Remote

Senior Node.js/PostgreSQL developer
Fortis, Texas

PostgreSQL DBA
i2vision, Remote

Database Administration Senior Advisor (Unidata Database)
The Cigna Group, Philadelphia, PA

Unidata Programmer
Honor Foods, Philadelphia, PA

Database Analyst
CampusWorks, Remote

EPICOR Application Support Analyst
M&D, Humble, TX

Logistics Warehouse Associate III
NWN Carousel, Plano, TX

jobs by Indeed



Share this page

Featured Products

SingleStore logo

The database to transact, analyze and contextualize your data in real time.
Try it today.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Redis logo

The world’s most loved real‑time data platform.
Try free

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

Datastax Astra logo

Bring all your data to Generative AI applications with vector search enabled by the most scalable
vector database available.
Try for Free

Present your product here