sql 查询服务器执行的状态
select sid, v$session.username 用户名, last_call_et 持续时间, status 状态, LOCKWAIT 等待锁, machine 用户电脑名, logon_time 开始登入时间, sql_text from v$session, v$process, v$sqlarea where paddr = addr and sql_hash_value = hash_value and v$session.username = 'WAP' and status = 'ACTIVE' and v$session.username is not null order by last_call_et desc;