Ashton-Tate's dBase III Plus became an industry standard relational database management system The product line, beginning with dBase II (formerly known as Vulcan), which was the first database manager for the personal computer, was built around a powerful, flexible programming language. Many third party vendors have chosen to support the dBase standard and there are a variety of add-on and work-alike products available. dBase III Plus includes The Assistant, a menu-driven program with some relational capabilities that leads you through the maze of dBase procedures using pull-down menus and context-sensitive help. The commands in The Assistant appear on the screen. The Applications Generator is a menu-driven dBase module that brings you through the process of creating a custom program and shows how to design screens, menus, and reports.
dBase III Plus includes a 'Data Catalog' to keep track of related files. When you enter '?' you get a list of all files currently available. The menu-driven query facility lets you define and save a filter criteria. Research dBase III Plus