Oracle错误：ORA-00054

Oracle错误：ORA-00054

ORA-00054: 资源正忙, 但指定以 NOWAIT 方式获取资源, 或者超时失效解决方法如下：=========================================================
SQL> select session_id from v$locked_object;     
SQL> SELECT sid, serial#, username, osuser FROM v$session where sid = 142;                   
ALTER SYSTEM KILL SESSION '56,2088';
System altered执行完上述命令后，提示会话断开。重新连接数据库，然后执行truncate操作，成功！