我知道如果延迟块清理等情况下select会产生redo,但是一般过一段紧接着运行select一般redo会没有
但是今天发现用parallel hint进行select,产生很多redo,不知道这个是咋产生的?
select /*+ parallel(t,8) */* from test t where t.object_name='ICOL$';
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48recursive calls
3db block gets
39102consistent gets
38594physical reads
664redo size
1936bytes sent via SQL*Net to client
418bytes received via SQL*Net from client