oracle kill掉一個用戶所有連接

SELECT s.inst_id,
s.sid,
s.serial#,
p.spid,
s.username,
s.program,
s.paddr,
s.STATUS,
'ALTER SYSTEM KILL SESSION ''' || s.sid || ', ' || s.serial# || '''' || ';' AS KILL
FROM gv$session s
JOIN gv$process p
ON p.addr = s.paddr
AND p.inst_id = s.inst_id
WHERE s.type != 'BACKGROUND'
AND S.USERNAME = 'SDKJDX';