I installed ArcGIS 10.2.2 ,oracle 11g R2 personal edition and it's client.I try to connect to the database using database connection in ArcMap but the error
Failed to connect to the specified server. Do you want to continue? Cannot connect to database because the database client software failed to load. Be sure the database client software is installed and configure correctly.
raised when i want to connect . How to solve the problem ?