Oracle Logbook

March 31, 2009

Finding the frequency of log switch

Filed under: Uncategorized — Helio Dias @ 3:25 pm

select qtd,count(*) from (
select trunc(FIRST_TIME),trunc(count(*)/10)*10 qtd
from  v$log_history group by trunc(FIRST_TIME) order by 2
)group by qtd order by 1;

Usually is good pratice make 2 log switchs per hour

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