Progress 4GL
Progress4GL is a Block structured syntax with control structures(including blocks,procedures and functions)
Front-end
Support both CHUI and GUI.
Back-end manager
Progress RDBMS and Data server used to access many Third-Party RDBMS and flat file system.
Advantages in progress 4GL
Less development effort
Solve more complex application
Support multiple language
Reusability
Less knowledge required for platform and deployments
Support application server and web based application
It is used for both front-end and back-end
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