DB-EnginesCrateDB bannerEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > IBM Db2 vs. Microsoft SQL Server vs. MySQL vs. Oracle vs. PostgreSQL

System Properties Comparison IBM Db2 vs. Microsoft SQL Server vs. MySQL vs. Oracle vs. PostgreSQL

Editorial information provided by DB-Engines
NameIBM Db2 infoformerly named DB2 or IBM Database 2  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonMySQL  Xexclude from comparisonOracle  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionCommon in IBM host environments, 2 different versions for host and Windows/LinuxMicrosofts relational DBMSWidely used open source RDBMSWidely used RDBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelRelational DBMS infoSince Version 10.5 support for JSON/BSON documents compatible with MongoDBRelational DBMSRelational DBMS infoKey/Value like access via memcached APIRelational DBMSRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
RDF store infoin DB2 LUW (Linux, Unix, Windows)
Document store
Graph DBMS
Document storeDocument store
Graph DBMS infowith Oracle Spatial and Graph
RDF store infowith Oracle Spatial and Graph
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score174.14
Rank#6  Overall
#5  Relational DBMS
Score1090.83
Rank#3  Overall
#3  Relational DBMS
Score1229.52
Rank#2  Overall
#2  Relational DBMS
Score1321.26
Rank#1  Overall
#1  Relational DBMS
Score483.28
Rank#4  Overall
#4  Relational DBMS
Websitewww.ibm.com/­analytics/­us/­en/­db2www.microsoft.com/­en-us/­sql-serverwww.mysql.comwww.oracle.com/­databasewww.postgresql.org
Technical documentationwww.ibm.com/­support/­knowledgecenter/­SSEPGGdocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentationdev.mysql.com/­docdocs.oracle.com/­en/­databasewww.postgresql.org/­docs/­manuals
DeveloperIBMMicrosoftOracle infosince 2010, originally MySQL AB, then SunOraclePostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release1983 infohost version1989199519801989 info1989: Postgres, 1996: PostgreSQL
Current release12.1, October 2016SQL Server 2017, October 20178.0.16, April 201919c, February 201911.4, June 2019
License infoCommercial or Open Sourcecommercial infofree version is availablecommercial inforestricted free version is availableOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availablecommercial inforestricted free version is availableOpen Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
  • Google Cloud SQL: A fully-managed database service for the Google Cloud Platform
  • Azure Database for MySQL: A fully managed, scalable MySQL 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
  • Azure Database for PostgreSQL: A fully managed, scalable PostgreSQL relational database with high availability and security built in at no extra cost
  • ScaleGrid: Fully managed PostgreSQL hosting with high availability, dedicated servers, and superuser control on the #1 multi-cloud Amazon RDS alternative.
Implementation languageC and C++C++C and C++C and C++C
Server operating systemsAIX
HP-UX
Linux
Solaris
Windows
z/OS
Linux
Windows
FreeBSD
Linux
OS X
Solaris
Windows
AIX
HP-UX
Linux
OS X
Solaris
Windows
z/OS
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeyesyesyesyes infoSchemaless in JSON and XML columnsyes
Typing infopredefined data types such as float or dateyesyesyesyesyes
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.yesyesyesyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyesyesyes
SQL infoSupport of SQLyesyesyes infowith proprietary extensionsyes infowith proprietary extensionsyes infostandard with numerous extensions
APIs and other access methodsJSON style queries infoMongoDB compatible
XQuery
ADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
ADO.NET
JDBC
ODBC
Proprietary native API
ADO.NET
JDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
JDBC
ODBC
native C library
streaming API for large objects
ADO.NET
JDBC
ODBC
Supported programming languagesC
C#
C++
Cobol
Delphi
Fortran
Java
Perl
PHP
Python
Ruby
Visual Basic
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
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
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresyesTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javayes infoproprietary syntaxPL/SQL infoalso stored procedures in Java possibleuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyesyesyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoonly with Windows/Unix/Linux Versiontables can be distributed across several files (horizontal partitioning); sharding through federationhorizontal partitioning, sharding with MySQL Cluster or MySQL Fabrichorizontal partitioning infowith the optional Oracle Partitioningpartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyes infowith separate tools (MQ, InfoSphere)yes, but depending on the SQL-Server EditionMaster-master replication
Master-slave replication
Master-master replication
Master-slave replication
Master-slave replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono infocan be realized in PL/SQLno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyesyes infonot for MyISAM storage engineyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infonot for MyISAM storage engineACID infoisolation level can be parameterizedACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes infotable locks or row locks depending on storage engineyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infoVersion 12c introduced the new option 'Oracle Database In-Memory'no
User concepts infoAccess controlfine grained access rights according to SQL-standardfine grained access rights according to SQL-standardUsers with fine-grained authorization concept infono user groups or rolesfine 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 2Microsoft SQL ServerMySQLOraclePostgreSQL
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.

Related products and services
3rd partiesGeneral SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
» more
Navicat for SQL Server gives you a fully graphical approach to database management and development.
» more

Dremio is like magic for SQL Server accelerating your analytical queries up to 1,000x.
» more

SQLPro for MSSQL: A simple but powerful Microsoft SQL Server database client available on iPhone and iPad as well as macOS.
» more

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

DBHawk is a web-based data management Tool for a SQL Server database.
» more

ERBuilder provides all the features you would expect from a professional database modeling and design tool.
» more

Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
» more
SQLPro for MySQL: A simple but powerful MySQL database client available on iPhone and iPad as well as macOS.
» more

ScaleGrid: Fully managed MySQL-as-a-Service.
» more

CData: Connect to Big Data & NoSQL through standard Drivers.
» more

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

Dremio is like magic for MySQL accelerating your analytical queries up to 1,000x.
» more

Navicat for MySQL is the ideal solution for MySQL/MariaDB administration and development.
» more

Azure Database for MySQL provides fully managed, enterprise-ready community MySQL database as a service
» more
Navicat for Oracle improves the efficiency and productivity of Oracle developers and administrators with a streamlined working environment.
» more

Dremio is like magic for Oracle accelerating your analytical queries up to 1,000x.
» more

DBHawk: a web-based Oracle database management and self-service BI software.
» more

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

pgDash: In-Depth PostgreSQL Monitoring.
» more

DBHawk: a web-based PostgreSQL/Greenplum database tool. Boost database development and BI productivity with an online Universal database tool.
» more

Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
» more

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

2ndQuadrant: PostgreSQL Solutions for the Enterprise.
» more

Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
» more

SQLPro for PostgreSQL: A simple but powerful PostgreSQL database client available on iPhone and iPad as well as macOS.
» 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 2Microsoft SQL ServerMySQLOraclePostgreSQL
DB-Engines blog posts

The struggle for the hegemony in Oracle's database empire
2 May 2017, Paul Andlinger

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

Architecting eCommerce Platforms for Zero Downtime on Black Friday and Beyond
25 November 2016, Tony Branson (guest author)

show all

MariaDB strengthens its position in the open source RDBMS market
5 April 2018, Matthias Gelbmann

The struggle for the hegemony in Oracle's database empire
2 May 2017, Paul Andlinger

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

show all

The struggle for the hegemony in Oracle's database empire
2 May 2017, Paul Andlinger

Architecting eCommerce Platforms for Zero Downtime on Black Friday and Beyond
25 November 2016, Tony Branson (guest author)

MySQL, PostgreSQL and Redis are the winners of the March ranking
2 March 2016, Paul Andlinger

show all

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

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

PASS Summit 2019
Seattle, Washington, USA, 5-8 November 2019

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

PostgreSQL Conference, Asia 2019
Denpasar, Bali, Indonesia, 9-12 September 2019

PostgreSQL Conference, Europe 2019
Milan, Italy, 15-18 October 2019

Finished events

Achieving High Availability with PostgreSQL
Webinar, 4PM UTC, 26 February 2019 (finished)

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

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

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

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

provided by Google News

Microsoft SQL Server 2008/R2 reach end of support; SQL Server 2019 and Azure await
8 July 2019, ZDNet

Microsoft database turns to the cloud as support ends for SQL Server 2008
9 July 2019, CIO Dive

The Latest Azure Database Updates: SQL Server 2008; Azure SQL Database; Azure Analysis Services; Developer tools
16 July 2019, MSDynamicsWorld.com

Clock Winds Down on SQL Server 2008/R2 Security Support
9 July 2019, Redmond Channel Partner

IDERA Announces New Tools to Make SQL Server Security and Compliance Easier
12 July 2019, Database Trends and Applications

provided by Google News

7 MySQL and MariaDB features you don't want to miss
26 June 2019, InfoWorld

GitLab finally cuts loose from 'pain in the a**' MySQL
3 July 2019, DevClass

Relational Databases Software Market 2019 financial overview of the players such as MySQL, Oracle, SAP, PostgreSQL, Amazon RDS, IBM and more
16 July 2019, Rise Media

Should Google be a bit less like Google to succeed in cloud?
27 June 2019, TechRepublic

news digest: Apple's transparency report on customer data, Sony's tech startup fund, and GitLab ends support for MySQL - SD Times
3 July 2019, SDTimes.com

provided by Google News

Oracle unveils new solution to eliminate challenges in migrating database to Autonomous Cloud - Web Hosting | Cloud Computing | Datacenter | Domain News
27 June 2019, Daily Host News

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

When APEX Developers Take The Stage, Cue Applause, Whoops, And Even A ‘Hallelujah’
15 July 2019, Forbes

provided by Google News

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

PostgreSQL database specialist EnterpriseDB gets new backing
28 June 2019, TechTarget

CIS Benchmark for PostgreSQL 11 Enhances PostgreSQL Security for Enterprises
1 July 2019, Yahoo Finance

PostgreSQL on Amazon Aurora Serverless goes live. Check the price tag before diving in, though
10 July 2019, The Register

Amazon Releases Aurora PostgreSQL Serverless to General Availability
17 July 2019, InfoQ.com

provided by Google News

Job opportunities

SQL Developer / Data Engineer
Bank of America, Jersey City, NJ

Solutions Consultant/Architect – DB2 z/OS Database Engineer/DBA
DB Best Technologies, Redmond, WA

Database Engineer and Administrator
Lenovo, Morrisville, NC

SQL Developer
Rumpke, Cincinnati, OH

Jr. Database Administrator
Jacobs, Tampa, FL

Senior SQL Server Database Administrator
The Cimino Group, Connecticut

SQL Server/SSRS Developer
Parallon, St. Louis, MO

Database Administrator
World Learning, Vermont

SQL Server Database Engineer
Zachary Piper Solutions, Chantilly, VA

SQL Server on Cloud-Lead
Wipro LTD, San Ramon, CA

MySQL Database Administrator
Viant, Los Angeles, CA

MySQL Database Administrator
Accesso, Lake Mary, FL

MySQL Database Administrator
Workday, Pleasanton, CA

MySQL Database Administrator
Box, Redwood City, CA

Database Administrator, MCS
NextGen Healthcare, Horsham, PA

Oracle Essbase Consultant / Solution Architect
Decision Support Technology, Connecticut

Senior Data Engineer
C.H. Robinson, Eden Prairie, MN

Sr. Principal Engineer Database
Northrop Grumman, San Antonio, TX

Sr. Principal Database Architect
Northrop Grumman, Aurora, CO

Database Admninistrator, Sr. Principal
Northrop Grumman, Palmdale, CA

Database Administrator, Mid
Booz Allen Hamilton, Washington, DC

Database Administrator - Mongo
Allscripts, United States

MySQL Database Administrator
Accesso, Lake Mary, FL

Database Administrator (MES)
Garmin, Olathe, KS

SQL Database Administrator
Domino's, Ann Arbor, MI

jobs by Indeed




Share this page

Featured Products

Redis logo

Start now with Redis Cloud
Secure, highly available Redis as a serverless, hosted, fully managed cloud service.
Sign up here.

RavenDB logo

Setup a fully managed RavenDB Cloud Database in minutes. Enjoy hosting, management, backups all in one place.
Grab a Free Instance

Couchbase logo

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

Neo4j logo

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

Present your product here