DB-EnginesExtremeDB Active Replication featuresEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > IBM Db2 vs. PostgreSQL vs. Teradata

System Properties Comparison IBM Db2 vs. PostgreSQL vs. Teradata

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonPostgreSQL  Xexclude from comparisonTeradata  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLA hybrid cloud data analytics software platform (Teradata Vantage)
Primary database modelRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Relational DBMS
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document storeDocument store
Graph DBMS
Time Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score157.17
Rank#6  Overall
#5  Relational DBMS
Score552.23
Rank#4  Overall
#4  Relational DBMS
Score72.59
Rank#14  Overall
#9  Relational DBMS
Websitewww.ibm.com/­analytics/­db2www.postgresql.orgwww.teradata.com
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGwww.postgresql.org/­docsdocs.teradata.com
DeveloperIBMPostgreSQL Global Development Group infowww.postgresql.org/­developerTeradata
Initial release1983 infohost version1989 info1989: Postgres, 1996: PostgreSQL1984
Current release12.1, October 201613.1, November 2020Teradata Vantage 1.0 MU2, January 2019
License infoCommercial or Open Sourcecommercial infofree version is availableOpen 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.
ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageC and C++C
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
hosted
Linux
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.yes
Secondary indexesyesyesyes infoJoin-index to prejoin tables, aggregate index, sparse index, hash index
SQL infoSupport of SQLyesyes infostandard with numerous extensionsyes infoSQL 2016 + extensions
APIs and other access methodsADO.NET
JDBC
JSON style queries infoMongoDB compatible
ODBC
XQuery
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
.NET Client API
HTTP REST
JDBC
JMS Adapter
ODBC
OLE DB
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C
C++
Cobol
Java (JDBC-ODBC)
Perl
PL/1
Python
R
Ruby
Server-side scripts infoStored proceduresyesuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.yes infoUDFs, stored procedures, table functions in parallel
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux Versionpartitioning by range, list and (since PostgreSQL 11) by hashSharding infoHashing
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)Source-replica replication infoother methods possible by using 3rd party extensionsMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID
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.noyes
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardfine 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
3rd partiesGeneral SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more
ClusterControl: the only management system you’ll ever need to take control of your open source database infrastructure.
» more

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

General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more

CYBERTEC is your professional partner for PostgreSQL services and Data Science since 2000. With offices in Austria, Uruguay, Estonia, Poland, South Africa and Switzerland, CYBERTEC operates worldwide and is here for you 24/7!
» more

EDB: Helping organizations get the most from PostgreSQL, Oracle Migration, High Availability, Security
» more

pgDash: In-Depth PostgreSQL Monitoring.
» more
DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
» more

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

More resources
IBM Db2 infoformerly named DB2 or IBM Database 2PostgreSQLTeradata
DB-Engines blog posts

PostgreSQL is the DBMS of the Year 2020
4 January 2021, Paul Andlinger, Matthias Gelbmann

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

show all

Teradata is the most popular data warehouse DBMS
2 April 2013, Paul Andlinger

show all

Recent citations in the news

Top Vendors of Database Management Software for 2021
8 January 2021, eWeek

Taking The Full Measure Of Power Servers
25 January 2021, IT Jungle

After Three Decades, You Can Finally Have A Distributed SQL Database
26 January 2021, The Next Platform

What is database-as-a-service?
25 January 2021, VentureBeat

9 trends in enterprise database technology
29 December 2020, VentureBeat

provided by Google News

What the PostgreSQL community has done so right
30 December 2020, TechRepublic

Crunchy Data PostgreSQL Security Technical Implementation Guide Now Available
6 January 2021, PRNewswire

XTIVIA Partners with Leading PostgreSQL Contributor, EDB
25 January 2021, PR.com

PostgreSQL Is DB-Engines DBMS of the Year For 2020
15 January 2021, iProgrammer

CompuGain Achieves the Amazon RDS Service Delivery Designation
26 January 2021, PRNewswire

provided by Google News

Teradata Vantage Now Available on the Google Cloud Marketplace
19 January 2021, MarTech Series

Teradata Corporation (TDC) Rises 5.26% for January 25
25 January 2021, Equities.com

Teradata Vantage arrives on Microsoft Azure Marketplace
13 January 2021, DataCenterNews Asia

Teradata Corporation - Consensus Indicates Potential 15.1% Upside
25 January 2021, DirectorsTalk Interviews

We Think Teradata's (NYSE:TDC) Statutory Profit Might Understate Its Earnings Potential
20 January 2021, Simply Wall St

provided by Google News

Job opportunities

Business Intelligence/ ETL Technical SME I
Farmers Insurance Group, Remote

SQL Database Developer
Excelraise Internal Jobs, Columbia, SC

ENTERPRISE TABLEAU ADMINISTRATOR (DATABASE SPECIALIST II - Full Time Contractual)
State of Maryland, Baltimore, MD

Database Administrator 1 - Lottery - Kanawha Co.
State of West Virginia, Kanawha County, WV

DATABASE ADMINISTRATOR-ADVANCED-01212021-14236
State of Tennessee, Nashville, TN

Node.js Developer
Aiteq, Remote

Associate Customer Support Engineer
Liferay, Inc., Remote

Product Analyst
Game Insight, Remote

Internships at Apollo 2021 (Full-Stack)
Meteor Development Group, San Francisco, CA

SQL Developer
Capgemini, Remote

Strategic Sourcing Analyst
Teradata, Peachtree Corners, GA

Intern - Teradata Workload Management
Teradata, San Diego, CA

Internal Communications Specialist
Teradata, San Diego, CA

Category Analyst
Teradata, Peachtree Corners, GA

Account Executive
Teradata, New Brunswick, NJ

jobs by Indeed




Share this page

Featured Products

Neo4j logo

Get your free copy of the new O'Reilly book Graph Algorithms with 20+ examples for
machine learning, graph analytics and more.

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Datastax Astra logo

Build cloud-native apps fast with Astra, the open-source, multi-cloud stack for
modern data apps.
Get started with 5 GB free..

Couchbase logo

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

Vertica logo

The fastest unified analytical warehouse at extreme scale with in-database Machine Learning. Try Vertica for free with no time limit.

Present your product here