/*
*locked
*query locked object and analyse reason,kill it
* */
select 'alter system kill session ''' || sid || ',' || serial# || ''';'
from (select distinct a.sid,
a.serial#,
status,
machine,
lockwait,
logon_time
from v$session a, v$locked_object b
where (a.status = 'active' or a.status = 'inactive')
and a.sid = b.session_id
and b.oracle_username = 'xyhistest' --加上使用者名稱可過濾使用者資源
) /*2、批量執行第一步生成的語句
alter system kill session 'sid,serial#';
alter system kill session '6976,33967';*/
/*3、查詢oracle使用者名稱，機器名，鎖表物件*/
select l.session_id sid,
s.serial#,
l.locked_mode,
l.oracle_username,
l.os_user_name,
s.machine,
s.terminal,
o.object_name,
s.logon_time
from v$locked_object l, all_objects o, v$session s
where l.object_id = o.object_id
and l.session_id = s.sid
order by sid, s.serial#;
/*3.或者*/
select s.sid, s.osuser, p.spid as ospid, s.machine, s.terminal, s.program
from v$session s, v$process p
where s.sid = 6 --session_id
and s.paddr = p.addr;
/*4、查詢是執行何sql語句導致鎖表的*/
select b.sql_text
from v$session a, v$sql b
where a.sid = 6 --session_id
and a.sql_address = b.address(+);
/*5、查詢是執行何sql語句導致鎖表的*/
select l.session_id sid,
s.serial#,
l.locked_mode,
l.oracle_username,
s.user#,
l.os_user_name,
s.machine,
s.terminal,
a.sql_text,
a.action
from v$sqlarea a, v$session s, v$locked_object l
where l.session_id = s.sid
and s.prev_sql_addr = a.address
order by sid, s.serial#;
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