ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求的服务
解决方案：
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = colin)
(ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
(SID_NAME = colin)
) -------相应的数据库服务添加上了
)