Access the APEX Object from APPS

Hi, 

We plan to establish a personalization in a form where we need to restrict the List of Values based on the Data available in custom table.  Due to the LMS (License Management) , We plan to use APEX separately with APEX database installed in separate server .

What are the possible ways to access the data from external database from Apps Schema without violating the LMS Compliance

Our Architecture :

Apps is running in Seperate Server (Say : DD1)

Apex is running in Different Server (SAY : APX1)

i.e 2 Physical separate hardware

If need to access the APEX database Object (Table in APEX Database) from APPS, the suggested way is to create DB LINK, provide grant access of APEX object to APPS Schema . Then access the data .