I have an openedge edge database version 10.2A and I want to create a REST Web Application, however I realized that I couldn't create a REST project in The Openedge Architecture(equivalent to developer Studio but older version), So I got my hands on Version 11.5 now I can create a REST protect even though I still cant see a (Web Application) Project type .
My big question is, Can I connect my 10.2A Openedge database to this 11.5 progress Developer Studio?
Yes you can. The rule is a client can connect 1 major release back (knowledgebase.progress.com/.../P132). You would need to connect client/server though. Shared Memory connections only work when the release is exactly the same (i.e. 11.6.3 can only shared memory connect from 11.6.3).