遇到ORA-12560: TNS: 协议适配器错误这样的问题：
解决方法：
\product\11.2.0\dbhome_1\NETWORK\ADMIN\listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = tztorcl)
(ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)
(SID_NAME = orcl)
)
)
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.251.9.112)(PORT = 1521))
)
[ora 12560 tns 协议适配器错误]ORA-12560: TNS: 协议适配器错误解决办法
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