An interactive DBMS, originally from Ashton-Tate Corporation, and the language used by it.dBASE evolved from Vulcan by Wayne Ratliffe, which came out in around 1980 and ran on CP/M.It was called dBaseII when sold to Ashton-Tate Corporation.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 Start .(2003-11-24)