sqlflip1.sql

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--

-- File name:   sqlflip1.sql

--

-- Purpose:     Provides list of all PHVs their execution count and resource consumption

--

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set lines 155

col execs for 999,999,999

col min_etime for 999,999.99

col max_etime for 999,999.99

col avg_etime for 999,999.999

col avg_lio for 999,999,999.9

col norm_stddev for 999,999.9999

col begin_interval_time for a30

col node for 99999

break on plan_hash_value on startup_time skip 1

select * from (

select sql_id, sum(execs), min(avg_etime) min_etime, max(avg_etime) max_etime, stddev_etime/min(avg_etime) norm_stddev

from (

select sql_id, plan_hash_value, execs, avg_etime,

stddev(avg_etime) over (partition by sql_id) stddev_etime 

from (

select sql_id, plan_hash_value,

sum(nvl(executions_delta,0)) execs,

(sum(elapsed_time_delta)/decode(sum(nvl(executions_delta,0)),0,1,sum(executions_delta))/1000000) avg_etime

-- sum((buffer_gets_delta/decode(nvl(buffer_gets_delta,0),0,1,executions_delta))) avg_lio

from DBA_HIST_SQLSTAT S, DBA_HIST_SNAPSHOT SS

where ss.snap_id = S.snap_id

and ss.instance_number = S.instance_number 

and executions_delta > 0

and elapsed_time_delta > 0

and s.snap_id > nvl('&earliest_snap_id',0)

group by sql_id, plan_hash_value

)

)

group by sql_id, stddev_etime

)

where norm_stddev > nvl(to_number('&min_stddev'),2)

and max_etime > nvl(to_number('&min_etime'),.1)

order by norm_stddev

/