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Python学习资源分享,包括:
1. Python环境安装
2. Python错误排查
3. Python常用函数查询与解释目录
3.1.7解决“ python unicode is not defined”错误
提示…
37
3.1.8解决“ Attribute error:'dict' object has no
attribute has key”错误提示
38
3.1.9解决“ ImportError: No module named urllib2”
错误提示
38
3.2常见错误
一些ORACLE中的进程被杀掉后,状态被置为”killed”,但是锁定的资源很长时间不释放,有时实在没办法,只好重启数据库。现在提供一种方法解决这种问题,那就是在ORACLE中杀不掉的,在OS一级再杀。
1.下面的语句用来查询哪些对象被锁:
代码如下:select object_name,machine,s.sid,s.serial#
from v$locked_object l,dba_objects o ,v$session s
where l.object_id = o.object_