Paweł Domański
867 lines
30 KiB
SQL
867 lines
30 KiB
SQL
------%%%% Session Related Queries %%%%------
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alter system kill session '
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alter system kill session 'sid,serial#' immediate;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,PROCESS, to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session where sid= '388';
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col USERNAME for a15
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col OSUSER for a13
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col SCHEMANAME for a15
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col MACHINE for a20
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select SID,SERIAL#,USERNAME, MACHINE from gv$session where MACHINE like 'wawplappp10%';
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SELECT spid
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FROM v$session a, v$process b WHERE a.paddr = b.addr AND sid = '388';
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1) Session details (status, logon time etc.)
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2) Blocking sessions/Wait events etc.
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3) SQL text
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4) No. Of rows processed
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5) Any change in the Access plan
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6) Any long running sessions
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select instance_name, name, open_mode from v$instance, v$database;
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set lines 900
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set pagesize 900
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Finding details using username:
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*************************************
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set lines 900
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set pagesize 900
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col USERNAME for a15
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col OSUSER for a13
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col SCHEMANAME for a15
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col MACHINE for a20
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col LOGON_TIME for a30
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col SQL_ID for a15
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session where
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osuser like '%%' order by LOGON_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session order by SID;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session order by STATUS;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session where STATUS='ACTIVE';
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session where username= 'SAS_ANALISTA' order by status;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session where username='H3G_TRAFFICO' order by LOGON_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session order by LOGON_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session where username='EBIS_DWH' and OSUSER = 'dsadmc' order by LOGON_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,inst_id,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session order by LOGON_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session where MACHINE='h3fah055' order by LOGON_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char(logon_time, 'hh24:mi:ss dd/mm/yy') login_time from gv$SESSION where OSUSER='dsadmc' and machine='h3fah055' order by LOGIN_TIME;
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session where SQL_ID='6sbr8wusrcy8a';
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Sessions sorted by logon time:-
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**********************************
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set lines 100 pages 999
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col ID format a15
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col osuser format a15
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col login_time format a14
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select username
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, osuser
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, sid || ',' || serial# "ID"
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, status
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, to_char(logon_time, 'hh24:mi dd/mm/yy') login_time
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, last_call_et
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from v$session
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where username is not null
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order by login_time;
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Finding details using sid:
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*****************************
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from gv$session where sid= '2191';
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select SID,SERIAL#,USERNAME,OSUSER,SCHEMANAME,MACHINE,SQL_ID,STATUS,to_char (LOGON_TIME,'DD-MON-YY:HH24:MI:SS') from v$session where sid in ('1334', '2573', '2664') order by status;
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To Find Blocking Sessions :
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*************************************
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Query 1:
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***********
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select s1.username || '@' || s1.machine
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|| ' ( SID=' || s1.sid || ', SERIAL#='||s1.serial#||' ) is blocking'
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|| s2.username || '@' || s2.machine || ' ( SID=' || s2.sid || ', SERIAL#='||s2.serial#||' ) ' AS blocking_status
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from v$lock l1, v$session s1, v$lock l2, v$session s2
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where s1.sid=l1.sid and s2.sid=l2.sid
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and l1.BLOCK=1 and l2.request > 0
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and l1.id1 = l2.id1
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and l2.id2 = l2.id2;
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## output ## BLOCKING_SESSION_STATUS
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--------------------------------------------------------------------------------
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OPS$GBC@htcfh006 ( SID=2622) is blocking OPS$GBC@htcfh006 ( SID=2561)
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OPS$GBC@htcfh006 ( SID=2561) is blocking OPS$GBC@htcfh006 ( SID=2622)
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In this example the 2622 session is blocking 2561. ##
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Query 2:
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***********
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select blocking_session,sid,serial#,wait_class,seconds_in_wait from gv$session where blocking_session is not NULL order by blocking_session;
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## output ##
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BLOCKING_SESSION SID SERIAL# WAIT_CLASS SECONDS_IN_WAIT
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---------------- ---------- ---------- -------------------- ---------------
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148 135 61521 Idle 64
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Finding Locks:
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*****************
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set linesize 180 pagesize 90
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break on Kill on username on terminal
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column Kill heading 'Kill String' format a18
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column res heading 'Resource Type' format 999
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column id1 format 9999990
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column id2 format 9999990
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column lmode heading 'Lock Held' format a20;
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column request heading 'Lock Requested' format a20;
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column serial# format 99999
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column username format a15 heading "Username"
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column terminal heading Term format a11
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column tab format a45 heading "Table Name"
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column owner format a9
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column Address format a18
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select /*+RULE*/ nvl(S.USERNAME,'Internal') username,
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nvl(S.TERMINAL,'None') terminal,
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L.SID||','||S.SERIAL# ||' '|| P.spid Kill,
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U1.NAME||'.'||substr(T1.NAME,1,30) tab,
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decode(L.LMODE,1,'No Lock',
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2,'Row Share',
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3,'Row Exclusive',
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4,'Share',
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5,'Share Row Exclusive',
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6,'Exclusive',null) lmode,
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decode(L.REQUEST,1,'No Lock',
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2,'Row Share',
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3,'Row Exclusive',
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4,'Share',
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5,'Share Row Exclusive',
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6,'Exclusive',null) request
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from V$LOCK L,
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GV$SESSION S,
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V$PROCESS P,
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SYS.USER$ U1,
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SYS.OBJ$ T1
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where L.SID = S.SID
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and P.addr=S.paddr
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and T1.OBJ# = decode(L.ID2,0,L.ID1,L.ID2)
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and U1.USER# = T1.OWNER#
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and S.TYPE != 'BACKGROUND'
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--and S.SID= 1243
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order by 1,2,5;
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To find statement running on session:
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*************************************************
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Query 1 if sid is known:
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*****************************
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set pages 1000
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set lines 132
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col SQL_TEXT for a127
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select SQL_TEXT from gv$sqltext
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where hash_value = (select sql_hash_value from v$session where sid =2791)
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order by piece;
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Query 2 if sql_id is known:
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*********************************
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select sql_text from gv$sql where sql_id='00p5pgs2cgnnn';
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No.Of Rows processed for given Session:
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********************************************************
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select spid, osuser, s.program from v$process p, v$session s where p.addr=s.paddr and SID=139;
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select rows_processed from v$sql where hash_value= (select sql_hash_value from v$session where paddr = (select addr from v$process where spid='&spid'));
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We could see “0” rows processed with the mentioned SID.
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SQL> select
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rows_processed
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from
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v$sql
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where
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hash_value=
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(select
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sql_hash_value
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from
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v$session
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where paddr=
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(select addr from v$process where spid='&spid')
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); 2 3 4 5 6 7 8 9 10 11 12 13
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Enter value for spid: 28914
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old 12: (select addr from v$process where spid='&spid')
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new 12: (select addr from v$process where spid='28914')
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ROWS_PROCESSED
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--------------
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0
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Accessplan comparision (running same/diff ):
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**********************************************************
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select BEGIN_INTERVAL_TIME, PLAN_HASH_VALUE PHV from DBA_HIST_SQLSTAT s,
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DBA_HIST_SNAPSHOT a where SQL_ID=<sql_id found from v$session>'
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and s.snap_id=a.snap_id
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and s.instance_number=1
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and a.instance_number=1
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order by 1;
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col BEGIN_INTERVAL_TIME for a35
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select BEGIN_INTERVAL_TIME, PLAN_HASH_VALUE PHV from DBA_HIST_SQLSTAT s,
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DBA_HIST_SNAPSHOT a where SQL_ID='adj06zhwr5n39'
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and s.snap_id=a.snap_id
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and s.instance_number=1
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and a.instance_number=1
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order by 1;
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Long running Sessions:
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*******************************
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SELECT sid,opname,sofar, totalwork, units,elapsed_seconds,time_remaining FROM v$session_longops WHERE sofar != totalwork;
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set lines 100 pages 999
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col username format a15
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col message format a40
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col remaining format 9999
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select SID,username
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, to_char(start_time, 'hh24:mi:ss dd/mm/yy') started
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, time_remaining remaining
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, message
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from v$session_longops
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where time_remaining = 0
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order by time_remaining desc;
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select SID,SERIAL#,SOFAR,START_TIME,TIME_REMAINING,ELAPSED_SECONDS,MESSAGE from v$session_longops where SQL_ID = '62z84b4rzzscu';
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select SID,SERIAL#,SOFAR,START_TIME,TIME_REMAINING,ELAPSED_SECONDS,MESSAGE from v$session_longops where SQL_ID = '62z84b4rzzscu' and SID='1460';
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How long the query is runnig and how much completed:-
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*************************************************************
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set linesize 1000
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column username format a15
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column target format a29
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column OPNAME format a25
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SELECT USERNAME,SID,SERIAL#,TARGET,OPNAME,START_TIME,LAST_UPDATE_TIME,ELAPSED_SECONDS,TIME_REMAINING,MESSAGE FROM V$SESSION_LONGOPS WHERE TIME_REMAINING>0;
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SELECT USERNAME,SID,SERIAL#,TARGET,OPNAME,START_TIME,LAST_UPDATE_TIME,ELAPSED_SECONDS,TIME_REMAINING,MESSAGE FROM V$SESSION_LONGOPS WHERE TIME_REMAINING>0 and SID='1460';
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set linesize 200
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column username format a15
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column target format a25
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column OPNAME format a25
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SELECT USERNAME,TARGET,TOTALWORK,SOFAR,OPNAME,ELAPSED_SECONDS,TIME_REMAINING FROM V$SESSION_LONGOPS WHERE TOTALWORK<>SOFAR;
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SELECT * FROM (SELECT USERNAME,OPNAME,SID,SERIAL#,CONTEXT,SOFAR,TOTALWORK,TARGET,ROUND(SOFAR/TOTALWORK*100,2) "% COMPLETE" FROM V$SESSION_LONGOPS) WHERE "% COMPLETE" != 100;
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SELECT SID,USERNAME,TARGET,(sofar*100/TOTALWORK) "Percent work",OPNAME,ELAPSED_SECONDS,TIME_REMAINING FROM V$SESSION_LONGOPS WHERE TOTALWORK<>SOFAR and totalwork>0;
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SQL to find the Session details and associated statement in excel format:
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***********************************************************
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SET MARKUP HTML ON ENTMAP ON SPOOL ON PREFORMAT OFF;
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spool session_detail.xls
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set pagesize 9999
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column username format a10
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column machine format a25
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column type format a15
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column sql_text format a40
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column sid format 99999
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column serial# 99999
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set line 200
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--
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-- query metadata
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--
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select b.sid, b.serial#,a.spid spid,
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to_char(b.LOGON_TIME,'dd/mm/yyyy hh:mi:ss'),
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floor(b.last_call_et / 60) "Idle (min)",
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b.machine machine,
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b.inst_id INST_ID,
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b.process process,
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b.program,
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b.type type,
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b.status status,
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b.username username,
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c.sql_text sql_text
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from v$process a,
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v$session b,
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v$sql c
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where b.paddr = a.addr
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and b.sql_address = c.address(+)
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and b.type<>'BACKGROUND'
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order by 2,4
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/
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Plan Table Output: Checked Xplan:
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******************************
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select * from table(dbms_xplan.display_cursor('ckg31y8rg6psa','','typical'));
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Finding spid:
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***********
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select spid, osuser, s.program from v$process p, v$session s where p.addr=s.paddr and SID=889;
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Sessions sorted by logon time/status:
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******************************
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set lines 100
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set pages 999
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col ID format a15
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col osuser format a15
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col login_time format a14
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select username, osuser, sid, serial# "ID", status, to_char(logon_time, 'hh24:mi dd/mm/yy') login_time, last_call_et from v$session where username is not null order by status;
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Time since last user activity:
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************************
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set lines 100 pages 999
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select username, floor(last_call_et / 60) "Last Activity (Minutes)", status from v$session where username is not null order by last_call_et;
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Show all connected users:
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*********************
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set lines 100 pages 999
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col ID format a15
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select username, sid, serial# "ID", status, last_call_et "Last Activity" from v$session where username is not null order by status desc, last_call_et desc;
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Show a users current sql:
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********************
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select sql_text from v$sqlarea where (address, hash_value) in(select sql_address, sql_hash_value from v$session where username like '&username');
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Show user info including os pid:
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**************************
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col username format a15
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col osuser format a15
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col program format a30
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select s.sid, s.serial# "SID/SERIAL", s.username, s.osuser, p.spid "OS PID", s.program from v$session s, v$process p where s.paddr = p.addr order by to_number(p.spid);
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Session status associated with the specified os process id:
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**********************************************
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select s.username, s.sid, s.serial#, p.spid, last_call_et, status from V$SESSION s, V$PROCESS p where s.PADDR = p.ADDR and p.spid='&pid';
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Finding OS PID for a specific sid:
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****************************
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select s.sid, s.username, s.serial#, s.osuser, p.spid "OS PID", s.program from v$session s, v$process p where s.paddr=p.addr and s.sid='691';
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Display any long operations:
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************************
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set lines 300 pages 999
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col username format a15
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col started format a25
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col message format a40
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col remaining format 9999
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select SID, username, to_char(start_time, 'hh24:mi:ss dd/mm/yy') started, time_remaining remaining, message from v$session_longops
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where time_remaining = 0 order by time_remaining desc;
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select username, to_char(start_time, 'hh24:mi:ss dd/mm/yy') started, time_remaining remaining, message from v$session_longops where sid = '911';
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List open cursors per user:
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***********************
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set pages 999
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select sess.username, sess.sid, sess.serial#, stat.value cursors from v$sesstat stat, v$statname sn, v$session sess
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where sess.username is not null and sess.sid = stat.sid
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and stat.statistic# = sn.statistic#
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and sn.name = 'opened cursors current'
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order by value;
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Show all connected users:
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*********************
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set lines 100 pages 999
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select username, sid, serial# "ID", status, last_call_et "Last Activity" from v$session where username is not null order by status desc, last_call_et desc;
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Finding Locks in DB:
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******************
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Set lines 200
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col OBJECT_NAME for a25
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col OBJECT_TYPE for a25
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select a.sid,a.serial#,c.object_name,c.object_type
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from v$session a,
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v$locked_object b,
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dba_objects c
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where a.sid=b.session_id
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and b.object_id=c.object_id and c.object_name='DB_MDS2_EVO_SUMMARY_TMP';
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--------------------------------------------------------------------------------------------------------------
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set lines 200 pages 1000
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col Object_Name for a25
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col Lock_Mode for a25
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SELECT DISTINCT session_id as "Session Id",
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a.os_user_name as "Os_user",
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b.object_name "Object_Name",
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decode(a.locked_mode,
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2 ,'ROW SHARE MODE',
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3 ,'ROW EXCLUSIVE MODE',
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4 ,'SHARE MODE',
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5 ,'SHARE ROW EXCLUSIVE MODE',
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6 ,'EXCLUSIVE','UNKNOWN')as "Lock_Mode"
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from v$locked_object a,
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all_objects b
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WHERE a.object_id = b.object_id and b.object_name='REPD_EVENT_DETAIL';
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order by b.object_name;
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--------------------------------------------------------------------------------------------------------------
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To find locks with more details:
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**************************
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set lines 200
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set pagesize 66
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break on Kill on sid on username on terminal
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column Kill heading 'Kill String' format a13
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column res heading 'Resource Type' format 999
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column id1 format 9999990
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column id2 format 9999990
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column locking heading 'Lock Held/Lock Requested' format a40
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column lmode heading 'Lock Held' format a15
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column request heading 'Lock Requested' format a15
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column serial# format 99999
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column username format a10 heading "Username"
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column terminal heading Term format a8
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column tab format a20 heading "Table Name"
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column owner format a9
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column LAddr heading "ID1 - ID2" format a18
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column Lockt heading "Lock Type" format a34
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column command format a25
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column sid format 9999
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select
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nvl(S.USERNAME,'Internal') username,
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L.SID,
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nvl(S.TERMINAL,'None') terminal,
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decode(command,
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0,'None',decode(l.id2,0,U1.NAME||'.'||substr(T1.NAME,1,20),'None')) tab,
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decode(command,
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|
0,'BACKGROUND',
|
|
1,'Create Table',
|
|
2,'INSERT',
|
|
3,'SELECT',
|
|
4,'CREATE CLUSTER',
|
|
5,'ALTER CLUSTER',
|
|
6,'UPDATE',
|
|
7,'DELETE',
|
|
8,'DROP',
|
|
9,'CREATE INDEX',
|
|
10,'DROP INDEX',
|
|
11,'ALTER INDEX',
|
|
12,'DROP TABLE',
|
|
13,'CREATE SEQUENCE',
|
|
14,'ALTER SEQUENCE',
|
|
15,'ALTER TABLE',
|
|
16,'DROP SEQUENCE',
|
|
17,'GRANT',
|
|
18,'REVOKE',
|
|
19,'CREATE SYNONYM',
|
|
20,'DROP SYNONYM',
|
|
21,'CREATE VIEW',
|
|
22,'DROP VIEW',
|
|
23,'VALIDATE INDEX',
|
|
24,'CREATE PROCEDURE',
|
|
25,'ALTER PROCEDURE',
|
|
26,'LOCK TABLE',
|
|
27,'NO OPERATION',
|
|
28,'RENAME',
|
|
29,'COMMENT',
|
|
30,'AUDIT',
|
|
31,'NOAUDIT',
|
|
32,'CREATE EXTERNAL DATABASE',
|
|
33,'DROP EXTERNAL DATABASE',
|
|
34,'CREATE DATABASE',
|
|
35,'ALTER DATABASE',
|
|
36,'CREATE ROLLBACK SEGMENT',
|
|
37,'ALTER ROLLBACK SEGMENT',
|
|
38,'DROP ROLLBACK SEGMENT',
|
|
39,'CREATE TABLESPACE',
|
|
40,'ALTER TABLESPACE',
|
|
41,'DROP TABLESPACE',
|
|
42,'ALTER SESSION',
|
|
43,'ALTER USER',
|
|
44,'COMMIT',
|
|
45,'ROLLBACK',
|
|
46,'SAVEPOINT',
|
|
47,'PL/SQL EXECUTE',
|
|
48,'SET TRANSACTION',
|
|
49,'ALTER SYSTEM SWITCH LOG',
|
|
50,'EXPLAIN',
|
|
51,'CREATE USER',
|
|
52,'CREATE ROLE',
|
|
53,'DROP USER',
|
|
54,'DROP ROLE',
|
|
55,'SET ROLE',
|
|
56,'CREATE SCHEMA',
|
|
57,'CREATE CONTROL FILE',
|
|
58,'ALTER TRACING',
|
|
59,'CREATE TRIGGER',
|
|
60,'ALTER TRIGGER',
|
|
61,'DROP TRIGGER',
|
|
62,'ANALYZE TABLE',
|
|
63,'ANALYZE INDEX',
|
|
64,'ANALYZE CLUSTER',
|
|
65,'CREATE PROFILE',
|
|
66,'DROP PROFILE',
|
|
67,'ALTER PROFILE',
|
|
68,'DROP PROCEDURE',
|
|
69,'DROP PROCEDURE',
|
|
70,'ALTER RESOURCE COST',
|
|
71,'CREATE SNAPSHOT LOG',
|
|
72,'ALTER SNAPSHOT LOG',
|
|
73,'DROP SNAPSHOT LOG',
|
|
74,'CREATE SNAPSHOT',
|
|
75,'ALTER SNAPSHOT',
|
|
76,'DROP SNAPSHOT',
|
|
79,'ALTER ROLE',
|
|
85,'TRUNCATE TABLE',
|
|
86,'TRUNCATE CLUSTER',
|
|
87,'-',
|
|
88,'ALTER VIEW',
|
|
89,'-',
|
|
90,'-',
|
|
91,'CREATE FUNCTION',
|
|
92,'ALTER FUNCTION',
|
|
93,'DROP FUNCTION',
|
|
94,'CREATE PACKAGE',
|
|
95,'ALTER PACKAGE',
|
|
96,'DROP PACKAGE',
|
|
97,'CREATE PACKAGE BODY',
|
|
98,'ALTER PACKAGE BODY',
|
|
99,'DROP PACKAGE BODY',
|
|
command||' - ???') COMMAND,
|
|
decode(L.LMODE,1,'No Lock',
|
|
2,'Row Share',
|
|
3,'Row Exclusive',
|
|
4,'Share',
|
|
5,'Share Row Exclusive',
|
|
6,'Exclusive','NONE') lmode,
|
|
decode(L.REQUEST,1,'No Lock',
|
|
2,'Row Share',
|
|
3,'Row Exclusive',
|
|
4,'Share',
|
|
5,'Share Row Exclusive',
|
|
6,'Exclusive','NONE') request,
|
|
l.id1||'-'||l.id2 Laddr,
|
|
l.type||' - '||
|
|
decode(l.type,
|
|
'BL','Buffer hash table instance lock',
|
|
'CF',' Control file schema global enqueue lock',
|
|
'CI','Cross-instance function invocation instance lock',
|
|
'CS','Control file schema global enqueue lock',
|
|
'CU','Cursor bind lock',
|
|
'DF','Data file instance lock',
|
|
'DL','Direct loader parallel index create',
|
|
'DM','Mount/startup db primary/secondary instance lock',
|
|
'DR','Distributed recovery process lock',
|
|
'DX','Distributed transaction entry lock',
|
|
'FI','SGA open-file information lock',
|
|
'FS','File set lock',
|
|
'HW','Space management operations on a specific segment lock',
|
|
'IN','Instance number lock',
|
|
'IR','Instance recovery serialization global enqueue lock',
|
|
'IS','Instance state lock',
|
|
'IV','Library cache invalidation instance lock',
|
|
'JQ','Job queue lock',
|
|
'KK','Thread kick lock',
|
|
'MB','Master buffer hash table instance lock',
|
|
'MM','Mount definition gloabal enqueue lock',
|
|
'MR','Media recovery lock',
|
|
'PF','Password file lock',
|
|
'PI','Parallel operation lock',
|
|
'PR','Process startup lock',
|
|
'PS','Parallel operation lock',
|
|
'RE','USE_ROW_ENQUEUE enforcement lock',
|
|
'RT','Redo thread global enqueue lock',
|
|
'RW','Row wait enqueue lock',
|
|
'SC','System commit number instance lock',
|
|
'SH','System commit number high water mark enqueue lock',
|
|
'SM','SMON lock',
|
|
'SN','Sequence number instance lock',
|
|
'SQ','Sequence number enqueue lock',
|
|
'SS','Sort segment lock',
|
|
'ST','Space transaction enqueue lock',
|
|
'SV','Sequence number value lock',
|
|
'TA','Generic enqueue lock',
|
|
'TD','DDL enqueue lock',
|
|
'TE','Extend-segment enqueue lock',
|
|
'TM','DML enqueue lock',
|
|
'TO','Temporary Table Object Enqueue',
|
|
'TT','Temporary table enqueue lock',
|
|
'TX','Transaction enqueue lock',
|
|
'UL','User supplied lock',
|
|
'UN','User name lock',
|
|
'US','Undo segment DDL lock',
|
|
'WL','Being-written redo log instance lock',
|
|
'WS','Write-atomic-log-switch global enqueue lock',
|
|
'TS',decode(l.id2,0,'Temporary segment enqueue lock (ID2=0)',
|
|
'New block allocation enqueue lock (ID2=1)'),
|
|
'LA','Library cache lock instance lock (A=namespace)',
|
|
'LB','Library cache lock instance lock (B=namespace)',
|
|
'LC','Library cache lock instance lock (C=namespace)',
|
|
'LD','Library cache lock instance lock (D=namespace)',
|
|
'LE','Library cache lock instance lock (E=namespace)',
|
|
'LF','Library cache lock instance lock (F=namespace)',
|
|
'LG','Library cache lock instance lock (G=namespace)',
|
|
'LH','Library cache lock instance lock (H=namespace)',
|
|
'LI','Library cache lock instance lock (I=namespace)',
|
|
'LJ','Library cache lock instance lock (J=namespace)',
|
|
'LK','Library cache lock instance lock (K=namespace)',
|
|
'LL','Library cache lock instance lock (L=namespace)',
|
|
'LM','Library cache lock instance lock (M=namespace)',
|
|
'LN','Library cache lock instance lock (N=namespace)',
|
|
'LO','Library cache lock instance lock (O=namespace)',
|
|
'LP','Library cache lock instance lock (P=namespace)',
|
|
'LS','Log start/log switch enqueue lock',
|
|
'PA','Library cache pin instance lock (A=namespace)',
|
|
'PB','Library cache pin instance lock (B=namespace)',
|
|
'PC','Library cache pin instance lock (C=namespace)',
|
|
'PD','Library cache pin instance lock (D=namespace)',
|
|
'PE','Library cache pin instance lock (E=namespace)',
|
|
'PF','Library cache pin instance lock (F=namespace)',
|
|
'PG','Library cache pin instance lock (G=namespace)',
|
|
'PH','Library cache pin instance lock (H=namespace)',
|
|
'PI','Library cache pin instance lock (I=namespace)',
|
|
'PJ','Library cache pin instance lock (J=namespace)',
|
|
'PL','Library cache pin instance lock (K=namespace)',
|
|
'PK','Library cache pin instance lock (L=namespace)',
|
|
'PM','Library cache pin instance lock (M=namespace)',
|
|
'PN','Library cache pin instance lock (N=namespace)',
|
|
'PO','Library cache pin instance lock (O=namespace)',
|
|
'PP','Library cache pin instance lock (P=namespace)',
|
|
'PQ','Library cache pin instance lock (Q=namespace)',
|
|
'PR','Library cache pin instance lock (R=namespace)',
|
|
'PS','Library cache pin instance lock (S=namespace)',
|
|
'PT','Library cache pin instance lock (T=namespace)',
|
|
'PU','Library cache pin instance lock (U=namespace)',
|
|
'PV','Library cache pin instance lock (V=namespace)',
|
|
'PW','Library cache pin instance lock (W=namespace)',
|
|
'PX','Library cache pin instance lock (X=namespace)',
|
|
'PY','Library cache pin instance lock (Y=namespace)',
|
|
'PZ','Library cache pin instance lock (Z=namespace)',
|
|
'QA','Row cache instance lock (A=cache)',
|
|
'QB','Row cache instance lock (B=cache)',
|
|
'QC','Row cache instance lock (C=cache)',
|
|
'QD','Row cache instance lock (D=cache)',
|
|
'QE','Row cache instance lock (E=cache)',
|
|
'QF','Row cache instance lock (F=cache)',
|
|
'QG','Row cache instance lock (G=cache)',
|
|
'QH','Row cache instance lock (H=cache)',
|
|
'QI','Row cache instance lock (I=cache)',
|
|
'QJ','Row cache instance lock (J=cache)',
|
|
'QL','Row cache instance lock (K=cache)',
|
|
'QK','Row cache instance lock (L=cache)',
|
|
'QM','Row cache instance lock (M=cache)',
|
|
'QN','Row cache instance lock (N=cache)',
|
|
'QO','Row cache instance lock (O=cache)',
|
|
'QP','Row cache instance lock (P=cache)',
|
|
'QQ','Row cache instance lock (Q=cache)',
|
|
'QR','Row cache instance lock (R=cache)',
|
|
'QS','Row cache instance lock (S=cache)',
|
|
'QT','Row cache instance lock (T=cache)',
|
|
'QU','Row cache instance lock (U=cache)',
|
|
'QV','Row cache instance lock (V=cache)',
|
|
'QW','Row cache instance lock (W=cache)',
|
|
'QX','Row cache instance lock (X=cache)',
|
|
'QY','Row cache instance lock (Y=cache)',
|
|
'QZ','Row cache instance lock (Z=cache)','????') Lockt
|
|
from V$LOCK L,
|
|
GV$SESSION S,
|
|
SYS.USER$ U1,
|
|
SYS.OBJ$ T1
|
|
where L.SID = S.SID
|
|
and T1.OBJ# = decode(L.ID2,0,L.ID1,1)
|
|
and U1.USER# = T1.OWNER#
|
|
and S.TYPE != 'BACKGROUND'
|
|
order by 1,2,5;
|
|
|
|
Finding All active sql:
|
|
*******************
|
|
set feedback offset
|
|
server output on size 9999
|
|
column username format a20
|
|
column sql_text format a55 word_wrapped
|
|
begin
|
|
for x in
|
|
(select username'('sid','serial#') ospid = ' process ' program = ' program username,
|
|
to_char(LOGON_TIME,' Day HH24:MI') logon_time,
|
|
to_char(sysdate,' Day HH24:MI') current_time,
|
|
sql_address,
|
|
sql_hash_value from v$session
|
|
where status = 'ACTIVE' and rawtohex(sql_address) <> '00'
|
|
and username is not null ) loop
|
|
for y in
|
|
(select sql_text from v$sqlarea where address = x.sql_address ) loop
|
|
if ( y.sql_text not like '%listener.get_cmd%' and
|
|
y.sql_text not like '%RAWTOHEX(SQL_ADDRESS)%' )
|
|
then dbms_output.put_line( '--------------------' );
|
|
dbms_output.put_line( x.username );
|
|
dbms_output.put_line( x.logon_time ' ' x.current_time ' SQL#=' x.sql_hash_value); dbms_output.put_line( substr( y.sql_text, 1, 250 ) );
|
|
end if;
|
|
end loop;
|
|
end loop;
|
|
end;
|
|
/
|
|
|
|
Blocking Tables:
|
|
*************
|
|
select (select username || ' - ' || osuser from v$session where sid=a.sid) blocker, a.sid || ', ' || (select serial# from v$session where sid=a.sid) sid_serial, ' is blocking ', (select username || ' - ' || osuser from v$session where sid=b.sid) blockee, b.sid || ', ' || (select serial# from v$session where sid=b.sid) sid_serial from v$lock a, v$lock b where a.block = 1 and b.request > 0 and a.id1 = b.id1 and a.id2 = b.id2;
|
|
|
|
select * from dba_dml_locks where name='FRULLO.INTERF_OPZIONI';
|
|
|
|
select c.owner, c.object_name, c.object_type, b.sid, b.serial#, b.status,b.osuser,b.machine from v$locked_object a, v$session b, dba_objects c where b.sid = a.session_id and a.object_id = c.object_id;
|
|
|
|
Identify the session which is locking the object:-
|
|
***************************************
|
|
select OWNER, TABLE_NAME from dba_tables where table_name = 'INTERF_OPZIONI';
|
|
|
|
SELECT owner,
|
|
segment_name,
|
|
segment_type,
|
|
tablespace_name,
|
|
bytes/1048576 MB,
|
|
initial_extent,
|
|
next_extent,
|
|
extents,
|
|
pct_increase
|
|
FROM
|
|
DBA_SEGMENTS
|
|
WHERE
|
|
OWNER = 'FRULLO' AND
|
|
SEGMENT_NAME = 'INTERF_OPZIONI' AND
|
|
SEGMENT_TYPE = 'TABLE'
|
|
/
|
|
|
|
|
|
select a.sid, a.serial#
|
|
from v$session a, v$locked_object b, dba_objects c
|
|
where b.object_id = c.object_id
|
|
and a.sid = b.session_id
|
|
and OBJECT_NAME='FRULLO.INTERF_OPZIONI';
|
|
|
|
To identify the locked rows, use the below query:-
|
|
****************************************
|
|
|
|
set lines 200
|
|
col object_name for a30
|
|
select do.object_name
|
|
, row_wait_obj#
|
|
, row_wait_file#
|
|
, row_wait_block#
|
|
, row_wait_row#
|
|
, dbms_rowid.rowid_create (1, ROW_WAIT_OBJ#, ROW_WAIT_FILE#,
|
|
ROW_WAIT_BLOCK#, ROW_WAIT_ROW#) ROW_ID
|
|
from v$session s
|
|
, dba_objects do
|
|
where s.ROW_WAIT_OBJ# = do.OBJECT_ID
|
|
and do.object_name=upper('<object_name_from_above_query>');
|
|
|
|
O/P:
|
|
|
|
OBJECT_NAME ROW_WAIT_OBJ# ROW_WAIT_FILE# ROW_WAIT_BLOCK# ROW_WAIT_ROW# ROW_ID
|
|
----------- ------------- -------------- --------------- ------------- ------
|
|
LOCK_TEST 41862 4 70 0 AAAKOGAAEAAAABGAAA
|
|
|
|
*******************************************************
|
|
SELECT a.sid,a.serial#, a.username,
|
|
s.sql_text
|
|
FROM V$SESSION a, V$SQLTEXT s
|
|
WHERE a.sql_address = s.address
|
|
AND a.sql_hash_value = s.hash_value
|
|
AND a.username like '&user'
|
|
ORDER BY a.username,a.sid,s.piece;
|
|
|
|
******************************************************
|
|
SQL> select resource_name, current_utilization, max_utilization from v$resource_limit where resource_name in ('processes','sessions');
|
|
|
|
Show a users current sql:-
|
|
****************************
|
|
Select sql_text
|
|
from v$sqlarea
|
|
where (address, hash_value) in
|
|
(select sql_address, sql_hash_value
|
|
from v$session
|
|
where username like '&username');
|
|
|
|
Show user info including os pid:-
|
|
***************************
|
|
col "SID/SERIAL" format a10
|
|
col username format a15
|
|
col osuser format a15
|
|
col program format a40
|
|
select s.sid || ',' || s.serial# "SID/SERIAL"
|
|
, s.username
|
|
, s.osuser
|
|
, p.spid "OS PID"
|
|
, s.program
|
|
from v$session s
|
|
, v$process p
|
|
Where s.paddr = p.addr
|
|
order by to_number(p.spid);
|
|
|
|
|
|
SELECT a.object,
|
|
a.type,
|
|
a.sid,
|
|
b.username,
|
|
b.osuser,
|
|
b.program
|
|
FROM v$access a,
|
|
v$session b
|
|
WHERE a.sid = b.sid
|
|
AND a.owner = UPPER('&ENTER_SCHEMA_NAME')
|
|
AND a.sid = &enter_session_id
|
|
ORDER BY a.object
|
|
/
|
|
|
|
|
|
|
|
SELECT a.object,
|
|
a.type,
|
|
a.sid,
|
|
b.username,
|
|
b.osuser,
|
|
b.program
|
|
FROM v$access a,
|
|
v$session b
|
|
WHERE a.sid = b.sid
|
|
AND a.owner = UPPER('H3G_TRAFFICO')
|
|
AND a.sid in ('544','329','307','169','447','505','546','564','583','606','624','85','65','48','1','21')
|
|
ORDER BY a.object
|
|
/
|
|
|
|
-- Finding details using username:
|
|
|
|
SELECT sid,a.SQL_TEXT FROM v$session s, v$sqlarea a WHERE s.sql_address = a.ADDRESS AND s.sql_hash_value = a.hash_value AND s.username like 'C2%';
|
|
|
|
|
|
-- Finding Blocking sessions with v$session
|
|
SELECT s.blocking_session,s.sid,s.serial#,s.seconds_in_wait FROM v$session s WHERE blocking_session IS NOT NULL;
|
|
|
|
|
|
-- find blocking sessions using v$lock
|
|
SELECT
|
|
l1.sid || ' is blocking ' || l2.sid blocking_sessions
|
|
FROM
|
|
v$lock l1, v$lock l2
|
|
WHERE
|
|
l1.block = 1 AND
|
|
l2.request > 0 AND
|
|
l1.id1 = l2.id1 AND
|
|
l1.id2 = l2.id2;
|
|
|
|
|
|
--blocking sessions with all available information (including machine name)
|
|
SELECT s1.username || '@' || s1.machine
|
|
|| ' ( SID=' || s1.sid || ' ) is blocking '
|
|
|| s2.username || '@' || s2.machine || ' ( SID=' || s2.sid || ' ) ' AS blocking_status
|
|
FROM v$lock l1, v$session s1, v$lock l2, v$session s2
|
|
WHERE s1.sid=l1.sid AND s2.sid=l2.sid
|
|
AND l1.BLOCK=1 AND l2.request > 0
|
|
AND l1.id1 = l2.id1
|
|
AND l1.id2 = l2.id2;
|
|
|
|
|
|
-- identifying blocked objects(when TM lock condition)
|
|
SELECT sid, id1 FROM v$lock WHERE TYPE='TM';
|
|
|
|
SELECT object_name,object_type FROM dba_objects WHERE object_id=&1; (provide value ID1 from abov |