Editing IBM Db2 (section)

{{Short description|Relational model database server}}
{{Redirect|DB2|other uses|DB2 (disambiguation)}}
{{Promotional|date=March 2022}}
{{Infobox software
| name = IBM Db2 for Linux, UNIX and Windows
| logo = [[Image:IBM logo.svg|150px]]
| logo alt = IBM
| logo caption = 
| screenshot = <!-- Image name is enough. -->
| screenshot alt = 
| caption = 
| collapsible = <!-- Any text here will collapse the screenshot. -->
| author = 
| developer = [[IBM]]
| released = {{Start date and age|1983}}<ref>{{cite web|url=https://www.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/6/877/ENUSZP83-0746/index.html&lang=en&request_locale=en|title=IBM Database 2 (DB2) Release 1 Is Announced|author=<!--Not stated-->|date=7 June 1983|website=IBM Offering Information|access-date=13 April 2023|archive-date=13 April 2023|archive-url=https://web.archive.org/web/20230413143250/https://www.ibm.com/common/ssi/ShowDoc.wss?docURL=/common/ssi/rep_ca/6/877/ENUSZP83-0746/index.html&lang=en&request_locale=en|url-status=live}}</ref><!-- {{Start date and age|YYYY|MM|DD}} -->
| discontinued = <!-- Set to yes if software is discontinued, otherwise omit. -->
| ver layout = stacked <!-- simple (default) or stacked -->
| latest release version = {{Db2 version}}
| latest release date = {{Db2 version|releasedate}}
| repo = <!-- {{URL|example.org}} -->
| programming language = [[C (programming language)|C]], [[C++]], [[Assembly language|assembly]], [[Java (programming language)|Java]]
| operating system = [[Linux]], [[AIX]], [[Windows]]. [[Solaris (operating system)|Solaris]] and [[HP-UX]] before version 11.<ref>{{cite web|url=https://www.ibm.com/support/pages/system-requirements-ibm-db2-linux-unix-and-windows|title=System requirements for IBM Db2 for Linux, UNIX, and Windows|date=February 6, 2025|publisher=[[IBM]]|accessdate=2025-05-19}}</ref>
| platform = Linux (x64, Power, Z), AIX, Windows x64<ref>{{cite web|url=https://www.ibm.com/products/db2-database/pricing|title=Db2 Database Software|date=January 12, 2024|publisher=[[IBM]]|accessdate=2025-05-19}}</ref>
| size = 1.6 GB
| language = [[English language|English]], [[Spanish language|Spanish]], [[French language|French]], [[German language|German]], [[Russian language|Russian]], [[Japanese language|Japanese]]
| language count = <!-- Number only -->
| language footnote = 
| genre = [[Relational database management system|RDBMS]]
| license = [[Proprietary software|Proprietary]] [[commercial software]], [[Software license agreement|Proprietary EULA]]
| alexa = 
| standard = 
| AsOf = 
}}
{{Infobox software
| name = IBM Db2 for z/OS
| logo = [[Image:IBM logo.svg|150px]]
| logo alt = IBM
| logo caption = 
| screenshot = <!-- Image name is enough. -->
| screenshot alt = 
| caption = 
| collapsible = <!-- Any text here will collapse the screenshot. -->
| author = 
| developer = [[IBM]]
| released = {{Start date and age|1983}}<!-- {{Start date and age|YYYY|MM|DD}} -->
| discontinued = <!-- Set to yes if software is discontinued, otherwise omit. -->
| ver layout = <!-- simple (default) or stacked -->
| latest release version = 13.1 <!-- If you update this, remember to also update [[Comparison of relational database management systems]]-->
| latest release date = <!-- {{Start date and age|YYYY|MM|DD}} -->
| latest preview version = 
| latest preview date = <!-- {{Start date and age|YYYY|MM|DD}} -->
| repo = <!-- {{URL|example.org}} -->
| programming language = [[PL/X]], [[C (programming language)|C]], [[C++]], [[Assembly language|assembly]]
| operating system = [[z/OS]]
| platform = [[z/Architecture]]
| size = 
| language = [[English language|English]]
| language count = <!-- Number only -->
| language footnote = 
| genre = [[Relational database management system|RDBMS]]
| license = [[Software license agreement|Proprietary EULA]]
| alexa = 
| website = {{URL|ibm.com/products/db2-for-zos}}
| standard = 
| AsOf = 
}}

'''Db2''' is a family of [[data management]] products, including [[database server]]s, developed by [[IBM]]. It initially supported the [[relational model]], but was extended to support [[object–relational]] features and non-relational structures like [[JSON]] and [[XML]]. The brand name was originally styled as DB2<ref>{{cite book |title=A Complete Guide to DB2 Universal Database
|url=https://books.google.com/books?isbn=1558604820 |isbn=1558604820 |author=Don Chamberlin |date=1998
| publisher=Morgan Kaufmann |quote=DB2 for MVS (later OS/390) in 1983}}</ref><ref>{{cite magazine |title=The Evolution of DB2 for z/OS Optimization |url=http://ibmsystemsmag.com/mainframe/administrator/db2/the-evolution-of-db2-for-z-os-optimization |url-status=dead |archive-url=https://web.archive.org/web/20181030090818/http://ibmsystemsmag.com/mainframe/administrator/db2/the-evolution-of-db2-for-z-os-optimization/ |archive-date=2018-10-30 |access-date=2018-10-29 |magazine=IBM Systems magazine |quote=Since the introduction of DB2 in 1983, IBM ...}}{{Unreliable source?|date=March 2024|reason=Not an independent source?}}</ref><ref>{{cite web |website=[[The New York Times]] |url=https://www.nytimes.com/1995/01/22/business/the-executive-computer-bringing-point-and-click-ease-to-corporate-computing.html |title=The Executive Computer; Bringing Point-and-Click Ease to ... |date=January 22, 1995 |quote=relational data base management ... I.B.M.'s DB2 |access-date=October 29, 2018 |archive-date=October 30, 2018 |archive-url=https://web.archive.org/web/20181030090653/https://www.nytimes.com/1995/01/22/business/the-executive-computer-bringing-point-and-click-ease-to-corporate-computing.html |url-status=live }}</ref> until 2017,<ref>{{cite web |url=https://www.ibm.com/cloud/db2-on-cloud |title=Db2 on Cloud |website=[[IBM]] |access-date=2018-08-24 |archive-date=2018-08-25 |archive-url=https://web.archive.org/web/20180825002739/https://www.ibm.com/cloud/db2-on-cloud |url-status=live }}</ref> when it changed to its present form. In the early days, it was sometimes wrongly styled as DB/2 in a false derivation from the operating system OS/2.<ref>{{cite book |last1=Kageyama |first1=Yukihisa |title=CICS Handbook |date=Dec 1, 1989 |publisher=McGraw-Hill Education (India) |isbn=0070336377}}</ref>