arcgis 10.2 oracle easy connection

To establish an easy connection between ArcGIS 10.2 and Oracle, follow these steps:

1. Open ArcMap 10.2 and click on the "Add Data" button.
2. In the "Add Data" dialog box, select "Database Connections" and then click on "Add".
3. In the "Add Database Connection" dialog box, select "Oracle" as the "Database Platform".
4. Enter the necessary connection information, including the server name, port number, and service name.
5. Click on the "Test Connection" button to verify that the connection is working.
6. Once the connection is verified, click on "OK" to save the connection information.
7. The new database connection should now be available in the "Add Data" dialog box under "Database Connections".

Note: You will need to have the appropriate Oracle client software installed on your machine in order to establish a connection to an Oracle database.