# LISTENER.ORA Network Configuration File: O:\ORACLE\network\admin\listener.ora
# Generated by Oracle configuration tools.

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = oracle-machine)(PORT = 1521))
      )
    )
    (DESCRIPTION =
      (PROTOCOL_STACK =
        (PRESENTATION = GIOP)
        (SESSION = RAW)
      )
      (ADDRESS = (PROTOCOL = TCP)(HOST = oracle-machine)(PORT = 2481))
    )
  )

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = O:\ORACLE)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = ORCL.WORLD)
      (ORACLE_HOME = O:\ORACLE)
      (SID_NAME = ORCL)
    )
  )

# TNSNAMES.ORA Network Configuration File: O:\ORACLE\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.

ORCL.WORLD =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = oracle-machine)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = ORCL.WORLD)
    )
  )

EXTPROC_CONNECTION_DATA.MY_DOMEN.RU =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )


CNT =
(DESCRIPTION =
  (ADDRESS_LIST =
      (ADDRESS =
        (PROTOCOL = TCP)
        (Host = oracle-machine)
        (Port = 1521)
      )
  )
  (CONNECT_DATA = (SID = ORCL)
  )
)

ORCL.WORLD =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = oracle-machine)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = ORCL.WORLD)
    )
  )

string connectionString = "Data Source=ORCL.WORLD;User ID=xxx;Password=xxx"

C:\>tnsping ORCL.WORLD

C:\>tnsping ORCL.WORLD

sqlplus.exe <имя пользователя>@ORCL.WORLD
или sqlplusw.exe <имя пользователя>@ORCL.WORLD - поищите какой из SQL*Plus идет с ODAC