I want to replace Oracle.DataAccess with Orcale.ManagedDataAccess, but opening a connection with the latter throws an ORA-12537 netwo
As of October 5th, 2015, the Oracle.ManagedDataAccess driver (ODAC 12c Release 4) supports ASO.
https://apex.oracle.com/pls/apex/f?p=18357:39:18138408495219::NO::P39_ID:28201