通过操作系统上的PID找出相应的SQL语句
linux-dash
A beautiful web dashboard for Linux
项目地址:https://gitcode.com/gh_mirrors/li/linux-dash
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linux平台下,我们一般通过TOP命令,查看性能消耗最大的进程,如果看到是oracle进行,那么就需要通过进程号,查询该进程当前执行的SQL语句,网上百度有很多SQL,我一般通过下面的方式进行查找:
通过操作系统上的PID找出相应的SQL语句的SID:
SELECT s.sid, p.spid FROM v$session s, v$process p WHERE s.paddr = p.addr AND < p.spid = <os pid>
然后通过SID找出相应的SQL语句的具体内容:
SELECT s.sid, s.status, q.sql_text FROM v$session s, v$sqltext q WHERE s.sql_hash_value = q.hash_value AND s.sql_address = q.address AND s.sid = <sid> order by q.piece;
合并一
SELECT /*+ ORDERED */
sql_text
FROM v$sqltext a
WHERE (a.hash_value, a.address) IN (
SELECT DECODE (sql_hash_value,
0, prev_hash_value,
sql_hash_value
),
DECODE (sql_hash_value, 0, prev_sql_addr, sql_address)
FROM v$session b
WHERE b.paddr = (SELECT addr
FROM v$process c
WHERE c.spid = '&pid'))
ORDER BY piece ASC
/
合并二:
Select s.Sid, s.Status, q.Sql_Text
From V$session s, V$sqltext q
Where s.Sql_Hash_Value = q.Hash_Value And s.Sql_Address = q.Address And
s.Sid In (Select s.Sid
From V$session s, V$process p
Where s.Paddr = p.Addr And p.Spid = '&pid' )
Order By q.Piece;
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