oracle 查看锁表情况并处理锁表

/*
*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' --加上用户名可过滤用户资源
        )
       
/*2、批量执行第一步生成的语句
alter system kill session 'sid,serial#';
alter system kill session '6976,33967';*/   

/*3、查询oracle用户名，机器名，锁表对象*/
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、查询是执行何sql语句导致锁表的*/
select b.sql_text
  from v$session a, v$sql b
 where a.sid = 6 --session_id
   and a.SQL_ADDRESS = b.ADDRESS(+);

/*5、查询是执行何sql语句导致锁表的*/
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#;