Oracle客戶端連接工具的鏈接配置

tnsnames.ora ：該文件一般存放於{ORACLE_HOME}\NETWORK\ADMIN 目錄下，pl\sql會加載該鏈接配置文件。

# tnsnames.ora Network Configuration File: E:\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN\tnsnames.ora
# Generated by Oracle configuration tools.

LISTENER_ORCL =
  (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))


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

ORCL =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
  )

someSID =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.0.0.9)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SID = somesid)
    )
  )

• CONNECT_DATA: 該數據有SID、SERVICE_NAME之分，需要注意對待。
• ORCL：該配置是配置的本地Oracle數據庫，配置的服務名字：orcl
• someSID：該配置是配置的遠程Oracle數據庫，配置的服務ID：somesid
• HOST：主機ID或者域名
• PORT：主機端口
• PROTOCOL：使用協議

 

plsql工具和Oracle客戶端下載（含安裝說明）：

https://download.csdn.net/download/bof_jangle/10695929