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Oracle查看邏輯讀、物理讀資源占用排行的SQL語句

 更新時(shí)間:2014年10月30日 10:50:36   投稿:junjie  
這篇文章主要介紹了Oracle查看邏輯讀、物理讀資源占用排行的SQL語句,需要的朋友可以參考下

查看邏輯讀前10的SQL:

復(fù)制代碼 代碼如下:

set linesize 300;
set pagesize 300;
set long 50000;
SELECT *
FROM (
    SELECT sql_fulltext AS sql, SQL_ID,buffer_gets / executions AS "Gets/Exec",buffer_gets, executions
    FROM V$SQLAREA
    WHERE buffer_gets > 10000
    ORDER BY "Gets/Exec" DESC
)
WHERE rownum <= 10;

查看物理讀前10的SQL:

復(fù)制代碼 代碼如下:

set linesize 300;
set pagesize 300;
set long 50000;
SELECT *
FROM (
    SELECT sql_fulltext AS sql, SQL_ID,disk_reads / executions AS "Reads/Exec",disk_reads, executions
    FROM V$SQLAREA
    WHERE disk_reads > 1000
    ORDER BY "Reads/Exec" DESC
)
WHERE rownum <= 10;

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