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Oracle查看逻辑读、物理读资源占用排行的SQL语句

发布时间:2020-12-12 17:00:54 所属栏目:百科 来源:网络整理
导读:查看逻辑读前10的SQL: 代码如下: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 OR

查看逻辑读前10的SQL:

代码如下: 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;

查看物理读前10的SQL:

代码如下: set linesize 300;
set pagesize 300;
set long 50000;
SELECT *
FROM (
SELECT sql_fulltext AS sql,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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