cache_hits.sql
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col name format a15 select a.name, a.value, b.name, b.value, c.name, c.value, 1 - ( c.value / ( a.value + b.value ) ) cache_hit from v$sysstat a, v$sysstat b, v$sysstat c where a.name = 'db block gets' and b.name = 'consistent gets' and c.name = 'physical reads';