Oracle - Connecting as a proxy user via connection string
I finally found out how to represent the proxy user login via my connection string.


Proxy User ID = MyUser
Proxy Password = MyUser password
User Id = SchemaName
User Password not set.


The dime finally dropped  after visiting https://www.devart.com/dotconnect/oracle/docs/ProxyUserConnection.html and running the SQL query below, after having logged in via Toad. Here it was clear to me, that I had misunderstood, that MyUser was in fact the proxy user...

SELECT SYS_CONTEXT('USERENV', 'PROXY_USER'), SYS_CONTEXT('USERENV', 'SESSION_USER') FROM dual