摘要：
ORA-12505, TNS:listener does not currently know of SID given in connect descriptorThe Connection descriptor used by the client was:localhost:1521:orcl 改了数据源然后就发生上面的错误，真是郁闷到了极点！多次尝试无效后，我导入了一个oracle自带的包... 阅读全文
落葉一飄有時候感覺自己就像一片落葉，飄離枝頭后，就迷失了方向，永遠找不著歸宿…… |