DBASE
<tool, product, language> An interactive
DBMS, originally from
Ashton-Tate Corporation, and the language used by it.
The first release was dBASE II, ca 1980.
There never was a "dBASE I".
Later versions included: dBASE III, dBASE III+, and dBASE IV.
Ashton-Tate was taken over in the early 1990s by what became
Borland Software Corporation who sold dBase in March(?) 1999 to the newly formed dBase Inc.
dBase Inc's first release was
Visual dBASE 5.7, a Y2K upgrade to Visual dBASE 5.x.
Current version, as of 2003-11-24: dBASE PLUS 2.0x build 1703.
dBase Home (http://www.dbase.com/).