若继续报错ORA_12514:TNS:listener does not currently know of service requested in connect descriptor,在listener.ora添加红色字体部分:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = E:\app\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:E:\app\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
(SID_DESC =
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = E:\app\product\11.2.0\dbhome_1)
(SID_NAME = orcl)
)
)
重启监听,可正常连接