select 'update chengshi set xzq_id =' || xzq_id || ' where id = ' || id || ';'
from chengshi;
select 'alter system kill session'||' '||''''||s.sid||','||s.serial#||''''||';',v$sql.sql_text
from v$process,v$session s,v$sql
where addr = paddr
and s.sql_id = v$sql.sql_id
and sql_hash_value = hash_value;