--kill session語句
alter system kill session'50,492';select * from v$lock;
select * from v$sqlarea;
select * from v$session;
select * from v$process ;
select * from v$locked_object;
select * from all_objects;
select * from v$session_wait;
--1.查出鎖定object的session的資訊以及被鎖定的object名
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# ;
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$locked_object l
where l.session_id = s.sid
and s.prev_sql_addr = a.address
order by sid, s.serial#;
--3.查出鎖定表的sid, serial#,os_user_name, machine_name, terminal，鎖的type,mode
select s.sid, s.serial#, s.username, s.schemaname, s.osuser, s.process, s.machine,
s.terminal, s.logon_time, l.type
from v$session s, v$lock l
where s.sid = l.sid
and s.username is not null
order by sid;
select 'alter system kill session '''|| s.sid||','||s.serial# ||''';'
from v$session s, v$lock l
where s.sid = l.sid
and s.username is not null
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