1、查看正在执行的SQL
SELECT b.sid,
b.username,
b.serial#,
spid,
paddr,
sql_text,--正在执行的SQL,
b.machine --计算机名
FROM v$process a, v$session b, v$sqlarea c
WHERE a.addr = b.paddr AND b.sql_hash_value = c.hash_value
2、查看oracle当前的被锁对象
SELECT l.session_id,
s.serial#,
l.locked_mode,
l.oracle_username,
l.os_user_name,
s.machine,
s.terminal,
o.object_name,
s.logon_time
FROM v$locked_object l, all_objects o, v$session s
WHERE l.object_id = o.object_id AND l.session_id = s.sid
3、解锁对象
alter system kill session 'session_id,s.serial#';