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dbDOS is software developed by dBase for Windows computers with Intel processors. dbDOS allows Intel-based PCs to run DOS Applications, such as dBASE III, dBASE IV (Version 1, 2, 3), and dBASE V for DOS in an emulated DOS environment. It is an environment configured specifically to allow the various versions of dBASE for DOS to run without any ...
dBase is an application development language and integrated navigational database management system which Ashton-Tate labeled as "relational" but it did not meet the criteria defined by Dr. Edgar F. Codd's relational model. "dBASE used a runtime interpreter architecture, which allowed the user to execute commands by typing them in a command ...
Although it is a powerful general-purpose programming language, it was primarily used to create database/business programs. One major dBase feature not implemented in Clipper is the dot-prompt (. prompt) interactive command set, [1] which was an important part of the original dBase implementation.
By the time dBASE for Windows was released, the market hardly noticed. Microsoft appears to have neglected FoxPro subsequent to the acquisition, perhaps because they also owned and promoted Microsoft Access, a direct competitor to dBASE. Certainly, the PC database market became a great deal less competitive as a result of their deal to buy FoxPro.
Vulcan was renamed to dBase, the price was raised from $50 to $695, and the software quickly became a huge success. When a number of "clones" of dBase appeared in the 1990s, Ashton-Tate sued one of them, FoxPro, over copyrights. On December 11, 1990, Judge Hatter issued an order invalidating Ashton-Tate's copyrights in its own dBASE products. [3]
Harbour is a computer programming language, primarily used to create database/business programs.It is a modernised, open source and cross-platform version of the older Clipper system, which in turn developed from the dBase database market of the 1980s and 1990s.
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The "modern dBASE" III+–V is the most common dBASE file format found in the wild. In "modern dBASE", a .dbf file consists of a header, the data records, and the end-of-file marker. The header contains information about the file, such as the number of records and the number of types of fields used in the records. The records contain the actual ...