1, a modified installation directory folder nwork below the listener and tnsnames.ora modified to localhost ip address.
2, restarting the service after modifications after OracleOraDb11g_home1TNSListener
EF frame connector oracle
Need to database data sources when building model type pasted directly follows this passage
(DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.100.27.116)(PORT = 1521))(CONNECT_DATA =(SERVER =DEDICATED) (SERVICE_NAME = test1)))
ip address and server_name into their own.