查看等待事件

Select b.logon_time "logon_time",

/*代码信息，需要修正*/

/*

decode(a.program_id,0,to_char(null),

(select obj.object_type || ' ' || obj.owner || '.' || obj.object_name

from dba_objects obj where obj.object_id = a.program_id and rownum = 1 )) as program,

a.program_line# "line#",

*/

--b.osuser,

c.spid "spid",

b.sid "sid",

b.username "username",

a.sql_id "sql_id",

a.sql_text "sql_text",

a.sql_fulltext "sql_fulltext",

round(buffer_gets/decode(a.executions,0,1,a.executions)) "buffer/exe" ,

round(disk_reads/decode(a.executions,0,1,a.executions)) "disk/exe" ,

trunc( a.rows_processed/case when a.executions =0 then 1 else a.executions end) as "rows/exe" ,

a.executions "ex",

a.rows_processed "row_proc",

--a.first_load_time,

a.last_active_time "last_active_time",

b.machine "machine",

b.BLOCKING_SESSION,

--b.module,

--audsid,

b.event "event",

b.state,

b.wait_time,

b.seconds_in_wait,

c.pga_alloc_mem,

b.service_name,

'alter system kill session ''' || to_char(b.sid) || ',' ||

to_char(b.serial#) || '''; ' killsess,

--'instance info:'|| (select 'no:'||instance_number||',name:'||instance_name from v$instance) "KILLSE"

'select * from table(dbms_xplan.display_cursor(''' || a.sql_id || ''',' || a.child_number|| ',''all'')); --iostats memstats allstats last runstats_tot runstats_last outline '||chr(10)

||'select * from gv$session_longops where sql_id = '''||a.sql_id||''';'||chr(10)

||'begin '||Chr(10)

||' dbms_shared_pool.purge('''|| (Select address||','||hash_value From v$sqlarea Where sql_id = a.sql_id) ||''', ''C''); '||Chr(10)

||'end;'||Chr(10)

||'/' as "TROUBLESHOOTING_SQL"

from v$sql a, v$session b, v$process c

where a.sql_id = b.sql_id

and b.paddr = c.addr

And a.child_number = b.sql_child_number

And b.status='ACTIVE'

--and a.sql_id in ( '3nmrkc1g4j0b8', '97k52xyuukf9c')

and b.sid<>(select sid from v$mystat where rownum<2)

order by b.username, a.sql_text;

SELECT *

FROM v$session

WHERE status = 'ACTIVE'

AND username = 'H2'

AND sid <> (SELECT sid FROM v$mystat WHERE rownum < 2);