Bonjour,
comment combiner ces trois requettes :
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select name, gets, misses,
immediate_gets, immediate_misses, sleeps
from v$latch
where name in ('redo allocation', 'redo copy')
/
 
set head off
 
select 'Ratio of MISSES to GETS: '||
round((sum(misses)/(sum(gets)+0.00000000001) * 100),2)||'%'
from v$latch
where name in ('redo allocation', 'redo copy')
/
 
select 'Ratio of IMMEDIATE_MISSES to IMMEDIATE_GETS: '||
round((sum(immediate_misses)/
(sum(immediate_misses+immediate_gets)+0.00000000001) * 100),2)||'%'
from v$latch
where name in ('redo allocation', 'redo copy')
D'avance merci.