How to Check Index Cost in Oracle Database? DBA scripts to check Index Cost in Oracle Database ?
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Ezana Answered question 20/04/2023
DBA scripts to check Index Cost in Oracle Database :
SQL > select a.average_wait c1, b.average_wait c2, a.total_waits/(a.total_Waits + b.total_waits) c3, b.total_waits/(a.total_Waits + b.total_waits) c4, (b.average_wait /a.average_wait) * 100 c5 from v$system_event a, v$system_event b where a.event='db file scattered read' and b.event='db file sequential read';
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Ezana Edited answer 20/04/2023