GlobalSchema_Env1Schema has its own set of Activiti tables & data. GlobalSchema_Env2Schema has its own set of Activiti tables and schema.
For my Activiti Engine configuration, in my current application, I simply connect with global schema username then execute "ALTER SESSION SET CURRENT_SCHEMA=GlobalSchema_Env1Schema" etc.
However, with Activiti-Explorer, the only option for me to connect to another db is by changing db.properties file. I changed my db.properties file as follows:
No, we don't have support for child/parent schema's (this is the first time in my career I've heard of them too … so not sure how many people use them)