Release 10.1A: OpenEdge Development:
Progress 4GL Handbook

Conclusion

Memory management in Progress is not that difficult if you establish a standard set of templates for your procedures and an architecture that makes it clear what procedures are responsible for creating dynamic objects and deleting them, and when your session is done using them. If you are organized in your design and test your application carefully, you should have no trouble creating a reliable application that makes appropriate use of the power and flexibility of dynamic objects. Just remember the basic rule:

You create it, you delete it!