Oracle 环境变量查看

如下图所示，依次右键 我的电脑-》属性-》高级系统设置 -》高级-》环境变量-》系统变量下

变量名：ORACLE_HOME

变量值：D:\Oracle\product\11.2.0\dbhome_1

变量名：TNS_ADMIN

变量值：%ORACLE_HOME%\NETWORK\ADMIN

本机Oracle安装目录如下图

product 目录

Clinet是自己建的目录，放置 PLSQL Developer

PLSQL首选项配置

 

D:\Oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN

listener.ora 文件代码如下

# listener.ora Network Configuration File: D:\Oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

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

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = D:\Oracle

 

tnsnames.ora 文件代码如下

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

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

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

YHSQ =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = 10.81.193.14)(PORT = 1521))
    )
    (CONNECT_DATA =
      (SERVICE_NAME = YHSQ)
    )
  )

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