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Visual DataFlex is a programming language by Data Access, targeted at creating database and client-server type programs. Visual DataFlex is intended to enable developers to quickly build highly-reliable corporate software solutions and commercial application products with Microsoft Windows, web and web services interfaces. A Visual DataFlex installation includes visual design tools, a comprehensive class library, a compiler & debugger, an embedded database, connectivity for leading DBMSs and a scalable Web Application Server.
Home Page
- http://www.VisualDataFlex.Com : For a full explanation and free 30 day Studio Eval Download or the free to use Personal Edition.
Visual DataFlex is a "transparent" front end tool, being able to interface with most backend types including the included free embedded DataFlex tables, MS-SQL, IBM-DB2, and Oracle, etc.
Architecture
Visual DataFlex has a 3-layer architecture:
- Bottom layer
- Tables at this level represent customer information. Data dictionaries for each table define the rules for saving, editing, deleting, or finding a customer.
- Middle layer
- Tables at this level represent orders to customers. A Data Dictionary Connectivity Object Tree defines how tables relate to each other, and ensures that all business rules of the connected tables are in force and validate.
- Top layer
- A graphical interface (GUI) that allows users to enter, find, create, modify, or delete data.
External links
Regional Users Group In Northeastern USA
- http://www.NEDataFlex.Com : NorthEast DataFlex Consortium (USA)
USA Instruction in Visual DataFlex
- http://www.DataAccess.Com // Manufacturer Of Visual DataFlex
- http://www.ApplauseSoftware.Com // Online Instruction Using Your App As Material
available globally.
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