oracle PLSQL配置文件

ORACLE_HOME\instantclient_11_2\NETWORK\ADMIN\tnsnames.ora 配置oracle连接信息

222.222.222.222 =

  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 222.222.222.222)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )
  
proname.dbsit.sfdc.com.cn =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = proname.dbsit.sfdc.com.cn)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = ebillsit)
    )
  )
  
    
10.202.8.8 =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (ADDRESS = (PROTOCOL = TCP)(HOST = 10.202.8.8)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = oradev)
    )
  )