有时候,我们需要创建文件临时存放一些输出的信息,创建文件时就可能出现文件名存在的问题.如何创建唯一的文件名,Linux为我们提供几个方案: 1.mktemp(强烈推荐) The mktemp utility takes the given filename template and overwrites a portion of it to create a unique filename. The template may be any filename with some
and OPNAME ='Sort Output'; and OPNAME ='Sort Output'; and OPNAME ='Sort Output' ); select 'alter system kill session ''(||sid,SERIAL#||')' from v$session_longops where sofar != totalwork and time_remaining>0 and OPNAME ='Sort Output'; select a.state