一个11G 抓没有绑定变量的语句.非常好!非常精确,非常快.

来源:互联网 发布:淘宝商品包装怎么设置 编辑:程序博客网 时间:2024/05/18 03:03
--追踪共享池没有绑定变量的SQL
SELECT FORCE_MATCHING_SIGNATURE,to_char(FORCE_MATCHING_SIGNATURE ) as sing,
       COUNT(1) AS REPLACE_NUM,
       ROUND(SUM(SHARABLE_MEM) / 1024 / 1024) AS SHARED_MB,
       ROUND(SUM(PERSISTENT_MEM) / 1024 / 1024) AS SHARED_MB,
       ROUND(SUM(RUNTIME_MEM) / 1024 / 1024) AS SHARED_MB,
       ROUND(SUM(CPU_TIME) / SUM(EXECUTIONS) / 1000, 3) AS CPU_TIME_AS_HAO,
       ROUND(SUM(ELAPSED_TIME) / SUM(EXECUTIONS) / 1000, 3) AS ELAPSED_TIME_AS_HAO
  FROM V$SQL
 WHERE FORCE_MATCHING_SIGNATURE > 0
   AND EXECUTIONS > 0
   AND FORCE_MATCHING_SIGNATURE != EXACT_MATCHING_SIGNATURE
 GROUP BY FORCE_MATCHING_SIGNATURE
HAVING COUNT(1) > 1
 ORDER BY 2 DESC;




 SELECT X.*
  FROM V$SQL X
 WHERE FORCE_MATCHING_SIGNATURE IN ('&FORCE_MATCHING_SIGNATURE') ;
0 0
原创粉丝点击