[Oracle] ORA-12505, TNS:listener does not currently know of SID given in connect descriptor

listener.ora(수정 전)

# listener.ora Network Configuration File: C:\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 = C:\Oracle\product\11.2.0\dbhome_1)       (PROGRAM = extproc)       (ENVS = "EXTPROC_DLLS=ONLY:C:\Oracle\product\11.2.0\dbhome_1\bin\oraclr11.dll")     )   ) LISTENER =   (DESCRIPTION_LIST =     (DESCRIPTION =       (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))       (ADDRESS = (PROTOCOL = TCP)(HOST = 172.30.70.40)(PORT = 1521))     )   ) ADR_BASE_LISTENER = C:\Oracle

listener.ora(수정 후)

# listener.ora Network Configuration File: C:\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 = C:\Oracle\product\11.2.0\dbhome_1)       (PROGRAM = extproc)       (ENVS = "EXTPROC_DLLS=ONLY:C:\Oracle\product\11.2.0\dbhome_1\bin\oraclr11.dll")     )   ) LISTENER =   (DESCRIPTION_LIST =     (DESCRIPTION =       (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))       (ADDRESS = (PROTOCOL = TCP)(HOST = 172.30.70.40)(PORT = 1521))     )   ) ADR_BASE_LISTENER = C:\Oracle

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