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DBMS > IBM Db2 vs. Oracle

System Properties Comparison IBM Db2 vs. Oracle

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Our visitors often compare IBM Db2 and Oracle with Microsoft SQL Server, MySQL and PostgreSQL.

Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonOracle  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxWidely used RDBMS
Primary database modelRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMS
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score174.14
Rank#6  Overall
#5  Relational DBMS
Score1321.26
Rank#1  Overall
#1  Relational DBMS
Websitewww.ibm.com/­analytics/­us/­en/­db2www.oracle.com/­database
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGdocs.oracle.com/­en/­database
DeveloperIBMOracle
Initial release1983 infohost version1980
Current release12.1, October 201619c, February 2019
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial inforestricted free version is available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC and C++C and C++
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
Data schemeyesyes infoSchemaless in JSON and XML columns
Typing infopredefined data types such as float or dateyesyes
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
Secondary indexesyesyes
SQL infoSupport of SQLyesyes infowith proprietary extensions
APIs and other access methodsJSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
JDBC
ODBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
C
C#
C++
Clojure
Cobol
Delphi
Eiffel
Erlang
Fortran
Groovy
Haskell
Java
JavaScript
Lisp
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Scala
Tcl
Visual Basic
Server-side scripts infoStored proceduresyesPL/SQL infoalso stored procedures in Java possible
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux Versionhorizontal partitioning infowith the optional Oracle Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)Master-master replication
Master-slave replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono infocan be realized in PL/SQL
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate Consistency
Foreign keys infoReferential integrityyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infoisolation level can be parameterized
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes infoVersion 12c introduced the new option 'Oracle Database In-Memory'
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standard
More information provided by the system vendor
IBM Db2 infoformerly named DB2 or IBM Database 2Oracle
Specific characteristicsOracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is a multi-model...
» more
Licensing and pricing modelsOracle Database Cloud Services Customers can choose from a wide range of database...
» more

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.

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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 2Oracle
DB-Engines blog posts

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2 May 2017, Paul Andlinger

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25 November 2016, Tony Branson (guest author)

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2 March 2016, Paul Andlinger

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Conferences and events

IDUG Db2 Tech Conference Europe 2019
Rotterdam, Netherlands, 29-24 October 2019

Oracle OpenWorld 2019
San Francisco, California, USA, 16-19 September 2019

Recent citations in the news

Cloud Now Default Platform for Databases, Gartner Says
26 June 2019, Datanami

IBM Injects 'Data Science' AI Into Its Db2 Database
4 June 2019, Forbes

Fully Managed PostgreSQL Hosting on AWS and Azure Launches in Time For Legacy Migrations
17 July 2019, Yahoo Finance

Big Blue’s Red Hat Brings A Big Change Of Heart
18 July 2019, The Next Platform

Your Illinois News Radar » State's unemployment system felled by computer problem
10 July 2019, The Capitol Fax Blog

provided by Google News

Oracle SA bets on Autonomous Database
23 July 2019, ITWeb

2 Ways Oracle’s Autonomous Database Just Got More Useful
27 June 2019, Forbes

Oracle launches Autonomous Database Dedicated for enterprise customers
26 June 2019, VentureBeat

Atos, Google Cloud Bring HPC Servers to Oracle Database Workloads
2 July 2019, HPCwire

Atos expands strategic partnership with Google Cloud to enable Oracle database customers to benefit from Google Cloud Platform
1 July 2019, GlobeNewswire

provided by Google News

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