How To Get Sid From Pid In Oracle
Many times DBA need to look at the session details for analysis. The details includes sql_id, stats ,locking ,wait events.Hither I am giving Query to go session details in oracle database,how to become the sql text from sid in oracle and other queries which volition assist in troubleshooting
Query to get session details in oracle
col sid format 9999
col pid format 9999
col serial# format 99999
col process format a8 heading "unixPID"
col spid format a8 heading "unixPID"
col username format a9
col addr format a11
col program format a20 trunc
col logon_time format a18
col osuser format a8 heading unixUsr
col p_user format a9 heading unixUsr
col terminal format a7 heading unixtrm
col command format 99 heading Cd
col machine format a7
col action format a7
col module format a10
set pagesize 24
prompt "Enter the Oracle Session ID (SID) user in question"
select p.PID,
p.Serial#,
p.USERNAME p_user,
p.SPID,
to_char(southward.logon_time,'DD-Mon-YY HH24:MI:SS') Logon_Time,
s.program,
southward.command,
southward.sid,
due south.serial#,
south.username,
s.process,
s.car,
southward.action,
s.module,
south.osuser,
s.concluding
from v$process p,
5$session s
where southward.sid = &sid
and p.addr = due south.paddr
gild by south.logon_time
/
how to get the sql text from sid in oracle
set up verify off pages 50000 linesize fourscore heading off feedback off
col sid noprint
col serial# noprint
col rec_num noprint
col line_num noprint
col text format a80 word
select ses.sid, ses.series#, x rec_num, i line_num,
rpad('=',lxxx,'=')
||rpad('SID : '||ses.sid,twoscore)
||rpad('Serial# : '||ses.serial#,forty)
||rpad('Audit SID : '||ses.audsid,40)
||rpad('Status : '||ses.status,forty)
||rpad('DB User : '||ses.username,forty)
||rpad('Bone User : '||ses.osuser,40)
||rpad('Module : '||ses.module,400)
||rpad('Action : '||ses.action,40)
||rpad('OS Server PID: '||prc.spid,40)
||rpad('Bone Customer PID: '||ses.process,xl)
||rpad('Executions : '||sqa.executions,40)
||rpad('Rows Proc : '||sqa.rows_processed,twoscore)
||rpad('Disk Reads : '||sqa.disk_reads,40)
||rpad('Buffer Gets : '||sqa.buffer_gets,40)
||rpad('LIOs/Row : '||circular(sqa.buffer_gets/decode(sqa.rows_processed,0,i,sqa.rows_processed),ii),40)
||rpad('LIOs/Exec : '||circular(sqa.buffer_gets/decode(sqa.executions,0,1,sqa.executions),ii),40)
||rpad('Event : '||wat.effect,80)
||rpad('Automobile : '||ses.auto,40)
||rpad('Logon Time : '||to_char(ses.logon_Time,'MM/DD/YY HH24:MI'),40)
||rpad('Statement : ',80) text
from five$sqlarea sqa
, v$process people's republic of china
, v$session ses
, v$session_wait wat
where sqa.address = ses.sql_address
and sqa.hash_value = ses.sql_hash_value
and prc.addr = ses.paddr
and ses.type != 'Groundwork'
and ses.username is non null
and ses.audsid != userenv('SESSIONID')
and wat.sid(+) = ses.sid
and ses.sid = &1
union
select ses.sid, ses.serial#, 20 rec_num, piece line_num
, sql_text text
from v$sqltext txt
, five$session ses
where txt.address = ses.sql_address
and txt.hash_value = ses.sql_hash_value
and ses.type != 'BACKGROUND'
and ses.username is not zero
and ses.audsid != userenv('SESSIONID')
and ses.sid = &1
order by i, ii, 3, 4
/
Query to discover the wait history for the particular SID
set lines 120 trimspool on
col consequence head "Waited for" format a30
col total_waits head "Total|Waits" format 999,999
col tw_ms caput "Waited|for (ms)" format 999,999.99
col aw_ms caput "Average|Wait (ms)" format 999,999.99
col mw_ms caput "Max|Wait (ms)" format 999,999.99
select event, total_waits, time_waited*10 tw_ms,
average_wait*10 aw_ms, max_wait*ten mw_ms
from v$session_event
where sid = &1
/
To find out the wait events for this session
SELECT sample_time, event, wait_time,sql_id
FROM gv$active_session_history
WHERE session_id = &one
AND session_serial# = &2;
To detect old recent sample times
SELECT sample_time
from gv$active_session_history
WHERE session_id = 147
AND sample_time > SYSDATE-x/1440
ORDER Past 1;
How to check the sql query history of the session
SELECT ash.sql_id
, ash.sql_child_number
--, s.sql_text
, ash.sql_exec_start
, ash.sql_exec_id
, TO_CHAR(MIN(ash.sample_time),'hh24:mi:ss') Equally min_sample_time
, TO_CHAR(MAX(ash.sample_time),'hh24:mi:ss') Every bit max_sample_time
FROM v$active_session_history ash
, v$sql s
WHERE ash.sql_id = s.sql_id (+)
AND ash.sql_child_number = s.child_number (+)
AND ash.session_id = &1
AND ash.session_serial# = &2
GROUP BY
ash.sql_id
, ash.sql_child_number
--, southward.sql_text
, ash.sql_exec_start
, ash.sql_exec_id
ORDER BY
MIN(ash.sample_time);
Query to bank check CPU consumption of the session
select s.value
from 5$sesstat s, five$statname n
where s.sid = &1
and north.statistic# = s.statistic#
and n.name = 'CPU used past this session'
Query to check all the stats for the session
select name, value
from v$sesstat s, v$statname n
where sid = &i
and north.statistic# = due south.statistic#
order by value desc
/
Query to find what sid are doing full table scan
cavalcade user_process heading "Name |SID" format a20;
column long_scans heading "Long Scans" format 999,999,999;
cavalcade short_scans heading "Short Scans" format 999,999,999;
cavalcade rows_retreived heading "Rows Retrieved" format 999,999,999;
set linesize 1000
ready timing on
select ss.username||'('||se.sid||') ' "USER_PROCESS",
sum(decode(name,'table scans (brusk tables)',value)) "SHORT_SCANS",
sum(decode(proper name,'table scans (long tables)', value)) "LONG_SCANS",
sum(decode(proper name,'table scan rows gotten',value)) "ROWS_RETRIEVED"
from v$session ss, v$sesstat se, v$statname sn
where se.statistic# = sn.statistic#
and (proper noun like '%table scans (brusk tables)%'
or name like '%table scans (long tables)%'
or proper noun like '%table scan rows gotten%' )
and se.sid = ss.sid
and ss.username is non null
grouping by ss.username||'('||se.sid||') '
order by LONG_SCANS desc
/
To Detect Historical Plans from the AWR Using SQLID
SET PAUSE ON
SET Pause 'Press Render to Proceed'
Fix PAGESIZE 60
SET LINESIZE 300
SELECT * FROM TABLE(dbms_xplan.display_awr('&SQL_ID'))
/
Query to testify the Demark Variable for a Given SQLID.
SET PAUSE ON
Prepare Interruption 'Press Return to Go along'
Set up PAGESIZE lx
SET LINESIZE 300
Column sql_text FORMAT A120
Column sql_id FORMAT A13
Column bind_name FORMAT A10
Cavalcade bind_value FORMAT A26
SELECT
sql_id,
t.sql_text sql_text,
b.name bind_name,
b.value_string bind_value
FROM
v$sql t
JOIN
five$sql_bind_capture b using (sql_id)
WHERE
b.value_string is non cipher
AND
sql_id='&sqlid'
/
How to check whether stats is current for the objects involved in SQL query
gear up line 1000
prepare verify off
col possessor format a15
col object_name format a25
col object_type format a12
col "LAST ANALYZED" format a13
select do.Owner,exercise.OBJECT_NAME,OBJECT_TYPE,
decode (OBJECT_TYPE,'TABLE' , (Select LAST_ANALYZED from dba_tables where owner=exercise.owner and TABLE_NAME=do.object_name) ,
'INDEX' , (Select LAST_ANALYZED from dba_indexes where owner=practise.owner and INDEX_NAME=do.object_name) ,
'UNKNOWN') "Concluding ANALYZED",STATUS
from DBA_OBJECTS exercise
where OBJECT_TYPE in ('TABLE','INDEX')
and (OWNER,OBJECT_NAME) in (select OBJECT_OWNER,OBJECT_NAME from V$SQL_PLAN where HASH_VALUE=&one)
/
how to observe sql query using sql_id in oracle
col sql_sql_text head SQL_TEXT format a150 word_wrap
col sql_child_number head CH# for 999
select
hash_value,
plan_hash_value,
child_number sql_child_number,
sql_text sql_sql_text
from
v$sql
where
sql_id = ('&1')
and child_number like '&2'
order by
sql_id,
hash_value,
child_number
/
how to check inactive session in oracle
select sid, serial#, status, username , module, form from v$session s where status like '%INACTIVE%';
how to check Agile session in oracle
select sid, serial#, status, username , module, form from five$session s where status similar 'ACTIVE';
how to cheque number of connections in oracle
For Non-RAC
select status, count(*) from 5$session group by status;
For RAC
select inst_id,condition, count(*) from five$session group past inst_id, status;
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How To Get Sid From Pid In Oracle,
Source: https://techgoeasy.com/how-to-find-which-sid-is-doing-fu/
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