oracle 查看某session的歷史執行sql情況

1. 查看性能最差的前100sql

SELECT * FROM ( SELECT PARSING_USER_ID EXECUTIONS,SORTS,COMMAND_TYPE,DISK_READS,sql_text
                FROM v$sqlarea
                ORDER BY disk_reads DESC)
   WHERE ROWNUM<100

 

2.oracle 10g 查看某session的歷史執行sql情況(sql采樣間隔1s)

oracle 10g 通過v$active_session_history查看某session(這里指定為190)的歷史執行sql情況(sql采樣間隔1s)
select s.SAMPLE_TIME,
sq.SQL_TEXT,
sq.DISK_READS,
sq.BUFFER_GETS,
sq.CPU_TIME,
sq.ROWS_PROCESSED,
--sq.SQL_FULLTEXT,
sq.SQL_ID
from v$sql sq, v$active_session_history s
where s.SQL_ID = sq.SQL_ID
and s.SESSION_ID = 190
order by s.SAMPLE_TIME desc;