IBM DB2

History

Relational database originally developed for IBM mainframes, later adopted to AS/400 midranges as SQL/400 and to IBM OS/2 as Database Manager.

Mainframe

• 1983: DB2 V1
• 1985: DB2 V1R1 (for MVS)
• 1986: DB2 V1R2
• 1987: DB2 V1R3
• 1988: DB2 V2R1
• 1989: DB2 V2R2
• 1992: DB2 V2R3
• 1993: DB2 V3
• 1995: DB2 V4 (for MVS/ESA)
• 1997: DB2 V5

OS/2-Versions

• 1988: IBM OS/2 EE 1.0 Database Manager
• 1989: IBM OS/2 EE 1.1 Database Manager
• 1990: IBM OS/2 EE 1.2 Database Manager
• 1990: IBM OS/2 EE 1.3 Database Manager
• 1991: IBM OS/2 Extended Services with Database Manager
• 1993: IBM DATABASE2 OS/2 1.0
• 1993: IBM DATABASE2 OS/2 1.0.1
• 1994: IBM DATABASE2 OS/2 1.2
• 1995: IBM DB2 2.1 (Server & Single user)
• 1996: IBM DB2 2.1.2
• 1996: IBM Database Server for OS/2
• 1997: IBM DB2 UDB 5
• 1999: IBM DB2 UDB 6.1
• 2001: IBM DB2 UDB 7.1
• 2002: IBM DB2 UDB 7.2

Links

• An Introduction to the Architecture of DB2 for OS/2
• A Brief History of DB2