oracle 的tnsnames.ora，listener.ora

x:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN

listener.ora:

# listener.ora Network Configuration File: d:\app\Administrator\product\11.2.\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = d:\app\Administrator\product\11.2.\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:d:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll")
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = yansc-co)(PORT = ))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
  )# 下面就是添加的新实例信息

SID_LIST_LISTENER =
(SID_LIST =
  (SID_DESC =
  (GLOBAL_DBNAME = orcl)
  (SID_NAME = orcl)
  )
)

ADR_BASE_LISTENER = d:\app\Administrator

sqlnet.ora

SQLNET.AUTHENTICATION_SERVICES= (NTS)

NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)

tnsnames.ora

# tnsnames.ora Network Configuration File: x:\app\Administrator\product\11.2.\dbhome_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.

LISTENER_ORCL =
  (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = ))

ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

ORCL =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = ))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

x:\app\Administrator\product\11.2.0\client_1\network\admin:

不需要listener.ora

sqlnet.ora

SQLNET.AUTHENTICATION_SERVICES= (NTS)

NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)

tnsnames.ora

# tnsnames.ora Network Configuration File: d:\app\Administrator\product\11.2.\client_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

ORA144 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.x.xxx)(PORT = ))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl)
    )
  )

ORCL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = ))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = orcl)
    )
  )