2020-02-16 标签:oracle,常见,等待,事件,处理,方法,看书,笔记,db,file,scattered,read,sequential,free,buffer,waits,log,space,switch

看书笔记db file scattered read DB ,db file sequential read DB,free buffer waits,log buffer space,log file switch,log file sync 我们可以通过视图v$session_wait来查看系统