< database > A relational database from IBM .
When running under IBM's MVS ( Multiple Virtual Storage ) operating system , DB2 is implemented on top of VSAM and uses its underlying data structures.
DB2, later called "DB2 Universal DataBase", also runs under windows NT , AIX , Solaris and, most recently, Linux .
[Details? Was there a "DB1"?]
(1999-02-01)