查看逻辑读前10的SQL
查看物理读前10的SQL
拿到SQL_ID,可以使用调整顾问,大致看一下优化
http://blog.itpub.net/29254281/viewspace-1080490/
-
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$SQLAREA
-
WHERE buffer_gets > 10000
-
ORDER BY "Gets/Exec" DESC
-
)
- WHERE rownum <= 10;
查看物理读前10的SQL
-
set linesize 300;
-
set pagesize 300;
-
set long 50000;
-
SELECT *
-
FROM (
-
SELECT sql_fulltext AS sql, SQL_ID,disk_reads / executions AS "Reads/Exec",disk_reads, executions
-
FROM V$SQLAREA
-
WHERE disk_reads > 1000
-
ORDER BY "Reads/Exec" DESC
-
)
- WHERE rownum <= 10;
拿到SQL_ID,可以使用调整顾问,大致看一下优化
http://blog.itpub.net/29254281/viewspace-1080490/
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/29254281/viewspace-1183832/ ，如需转载，请注明出处，否则将追究法律责任。
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