Displays information on the current wait states for all active database sessions

ZhongWeicheng

于 2012-12-17 15:59:13 发布

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本文介绍了一种查询Oracle数据库中活动会话详细信息的方法。通过使用SQL语句结合v$session和v$process视图，可以获取当前活跃用户的登录名、操作系统用户名、会话ID等信息，并按用户名和操作系统用户名排序。

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SET LINESIZE 250  
SET PAGESIZE 1000  
  
COLUMN username FORMAT A15  
COLUMN osuser FORMAT A15  
COLUMN sid FORMAT 99999  
COLUMN serial# FORMAT 9999999  
COLUMN wait_class FORMAT A15  
COLUMN state FORMAT A19  
COLUMN logon_time FORMAT A20  
  
SELECT NVL(a.username, \'(oracle)\') AS username,  
       a.osuser,  
       a.sid,  
       a.serial#,  
       d.spid AS process_id,  
       a.wait_class,  
       a.seconds_in_wait,  
       a.state,  
       a.blocking_session,  
       a.blocking_session_status,  
       a.module,  
       TO_CHAR(a.logon_Time,\'DD-MON-YYYY HH24:MI:SS\') AS logon_time  
FROM   v$session a,  
       v$process d  
WHERE  a.paddr  = d.addr  
AND    a.status = \'ACTIVE\'  
ORDER BY 1,2;  
  
SET PAGESIZE 14