2014-09-17 13:23:48 +02:00

41 lines
1.1 KiB
SQL

SET LINES 999 PAGES 5000 TRIMSPOOL ON TRIMOUT ON VERIFY OFF
COL sql_plan_step FOR A50 WORD_WRAP
SELECT * FROM (
SELECT
a.session_state
, a.event
, a.sql_id
, a.blocking_session_status
, a.blocking_session
, a.blocking_session_serial#
, a.current_obj#
, a.sql_plan_line_id
, a.sql_plan_operation ||' '||a.sql_plan_options sql_plan_step
, count(*)
, lpad(round(ratio_to_report(count(*)) over () * 100)||'%',10,' ') percent
, MIN(a.sample_time)
, MAX(a.sample_time)
FROM
DBA_HIST_ACTIVE_SESS_HISTORY a
WHERE
a.sample_time BETWEEN TIMESTAMP'2011-01-20 17:25:00' AND TIMESTAMP'2011-01-20 18:55:00'
AND a.event = 'enq: TX - index contention'
GROUP BY
a.session_state
, a.event
, a.sql_id
, a.blocking_session_status
, a.blocking_session
, a.blocking_session_serial#
, a.current_obj#
, a.sql_plan_line_id
, a.sql_plan_operation ||' '||a.sql_plan_options
ORDER BY
percent DESC
)
WHERE ROWNUM <= 30
/