<tool, product, language> A DBMS 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: dBASE III, dBASE III+, and dBASE IV.
Visual dBASE is a graphical development environment.
(05 Nov 1996)