物理读和内存读较高SQL
SELECT
t.HASH_VALUE,
t.EXECUTIONS,
t.DISK_READS,
round(t.DISK_READS/t.EXECUTIONS) AS perDiskReads,
t.BUFFER_GETS,
round(t.BUFFER_GETS/t.EXECUTIONS) AS perBufferReads,
t.ELAPSED_TIME,
round(t.ELAPSED_TIME/t.EXECUTIONS) AS perElayTime,
t.CPU_TIME,
round(t.CPU_TIME/t.EXECUTIONS) AS perCpuTime,
t.FIRST_LOAD_TIME,
t.SQL_TEXT
FROM v$sql t
WHERE (t.DISK_READS/t.EXECUTIONS > 500 OR t.BUFFER_GETS/t.EXECUTIONS > 20000)
AND t.EXECUTIONS > 0
ORDER BY 6 DESC;
t.HASH_VALUE,
t.EXECUTIONS,
t.DISK_READS,
round(t.DISK_READS/t.EXECUTIONS) AS perDiskReads,
t.BUFFER_GETS,
round(t.BUFFER_GETS/t.EXECUTIONS) AS perBufferReads,
t.ELAPSED_TIME,
round(t.ELAPSED_TIME/t.EXECUTIONS) AS perElayTime,
t.CPU_TIME,
round(t.CPU_TIME/t.EXECUTIONS) AS perCpuTime,
t.FIRST_LOAD_TIME,
t.SQL_TEXT
FROM v$sql t
WHERE (t.DISK_READS/t.EXECUTIONS > 500 OR t.BUFFER_GETS/t.EXECUTIONS > 20000)
AND t.EXECUTIONS > 0
ORDER BY 6 DESC;
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/756652/viewspace-242318/ ，如需转载，请注明出处，否则将追究法律责任。
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