如何在oracle中配置数据库的网络连接

G:\oracle\product\10.2.0\db_2\NETWORK\ADMIN\tnsnames.ora

该文件为以下格式:

# tnsnames.ora Network Configuration File: G:\oracle\product\10.2.0\db_2\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.ZXIN =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = LENOVO-40E97FC2)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = zxin)
    )
  )ZXIN250 =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.4.250)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = zxin)
    )
  )EXTPROC_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
  )