本文共 518 字，大约阅读时间需要 1 分钟。

?????????????????????????????????????????????

??????

select /*+ parallel(vodka.bpm_actinst 8) */ * from vodka.bpm_actinst;

????????????TABLE ACCESS FULL??????631,000????CPU????2%????00:03:05??????????8????????????????

??????

select /*+ parallel(t 8) */ * from vodka.bpm_actinst t;

??????????????TABLE ACCESS FULL??????????????????631,000????CPU?????1%??????00:00:26????????8????TQ?????IN-OUT?????????????????

?????????????????????????????????????CPU??????????????33%?

??????????????????????????????????????????????????

转载地址：http://fopfk.baihongyu.com/