How i can obtain explain plan without run the query

Hello,
i need to know the result of explain of a query without run the query, it's this possible?
Thanks and best regards.

explain plan for <your query>;
select * from table(dbms_xplan.display);Regards,
Rob.

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How to see an explain plan?

Hi all,
I'm looking to tune one sql sentence of my application. To do it, I've used the sqltune package. When I see the report, I obtain the actual explain plan and, finally the suggestion to use an SQL Profile.
How can I see the new explain plan of this option before apply it?
I attach the report result for your information:
SELECT DBMS_SQLTUNE.report_tuning_task('analisis_matriculation_view') AS recommendations FROM dual;SQL> SQL> SQL>
RECOMMENDATIONS
GENERAL INFORMATION SECTION
Tuning Task Name : analisis_matriculation_view
Tuning Task Owner : A9
Scope : COMPREHENSIVE
Time Limit(seconds) : 3600
Completion Status : COMPLETED
Started at : 08/11/2010 09:33:18
Completed at : 08/11/2010 10:23:16
Number of SQL Profile Findings : 1
Schema Name: A9
SQL ID : gd8b5pwyj0yu8
SQL Text : SELECT PO.ID POID, BO.ID BOID, MAT.AGENT_ID AGENTID,
MAT.AGENCY_ID AGENCYID, MAT.ID MATID,MAT.PARTNERBRANCH_ID
PBRANCHID, MAT.DOSSIERNUMBER, MAT.DOSSIERVERSION,
MAT.FILINGDATE,MAT.TELEMATIC, MAT.MANUALDGTTAXCODE,
MAT.ASSIGNDGTTAX, MAT.STATUS, MAT.PLATENUMBER,MAT.REJECTIONCAUSE,
MAT.REJECTIONNOTES, MAT.COLOR, MAT.CREATEDON, MAT.MODIFIEDON,
FO.COLOR,AG.MEMBERID, US.NAME AGENTNAME, US.SURNAME
AGENTSURNAME, US.SURNAME2 AGENTSURNAME2, US.NIF AGENTNIF,AY.NAME
AGENCYNAME, VD.SERIALNUMBER, VOWN.NAME OWNERNAME, VOWN.SURNAME
OWNERSURNAME,VOWN.SURNAME2 OWNERSURNAME2, UPPER(VOWN.NAME) || '
' || UPPER(VOWN.SURNAME) || ' ' || UPPER(VOWN.SURNAME2)
OWNERFULLNAME,VOWN.FISCALID OWNERNIF, FO.ID FOLDERID, FO.NAME
FOLDERNAME, FO.STATUS FOLDERSTATUS, IVTM.ID IVTMID,IVTM.STATUS
IVTMSTATUS, IVTM.FINALAMOUNT IVTMAMOUNT, IVTM.IVTMCOLLECTOR,
F576.ID F576ID,F576.PAYMENTCOMPLETEREFNUMBER NRC576,
F576.MATRICULATIONCODE CEM576, F576.AEATELECTRONICCODEMANUAL
CEM576MANUAL,F576.NRCMANUAL NRC576MANUAL, F06.ID F06ID,
F06.MATRICULATIONCODE CEM06, F06.AEATELECTRONICCODEMANUAL
CEM06MANUAL,F06.NRE NRE06, F06.NREMANUAL NRE06MANUAL, F05.ID
F05ID, F05.MATRICULATIONCODE CEM05, F05.AEATELECTRONICCODEMANUAL
CEM05MANUAL FROM A9_MATRICULATION MAT INNER JOIN A9_AGENT AG ON
(MAT.AGENT_ID = AG.ID) INNER JOIN A9_USER US ON (AG.ID = US.ID)
INNER JOIN A9_BRANCHOFFICE BO ON (AG.BRANCHOFFICE_ID = BO.ID)
INNER JOIN A9_PROFESSIONALORDER PO ON (BO.PROFESSIONALORDER_ID =
PO.ID) INNER JOIN A9_AGENCY AY ON (MAT.AGENCY_ID = AY.ID) INNER
JOIN A9_VEHICLEDATA VD ON (MAT.VEHICLEDATA_ID = VD.ID) INNER
JOIN A9_VEHICLEOWNER VOWN ON (VOWN.MATRICULATION_ID = MAT.ID)
LEFT JOIN A9_MATRICULATIONFOLDER FO ON
(MAT.MATRICULATIONFOLDER_ID = FO.ID) LEFT JOIN A9_IVTM IVTM ON
(MAT.IVTM_ID = IVTM.ID)LEFT JOIN A9_FORM576 F576 ON
(MAT.FORM576_ID = F576.ID) LEFT JOIN A9_FORM05 F05 ON
(MAT.FORM05_ID = F05.ID) LEFT JOIN A9_FORM06 F06 ON
(MAT.FORM06_ID = F06.ID) WHERE VOWN.MAINOWNER = 1 AND MAT.VALID
= 1 AND US.DELETEDON IS NULL AND PO.DELETEDON IS NULL AND
BO.DELETEDON IS NULL AND AY.DELETEDON IS NULL AND VOWN.DELETEDON
IS NULL AND FO.DELETEDON IS NULL AND IVTM.DELETEDON IS NULL AND
VD.DELETEDON IS NULL AND F576.DELETEDON IS NULL AND
F05.DELETEDON IS NULL AND F06.DELETEDON IS NULL AND
MAT.DELETEDON IS NULL ORDER BY DOSSIERNUMBER DESC
FINDINGS SECTION (1 finding)
1- SQL Profile Finding (see explain plans section below)
Se ha encontrado un plan de ejecucion potencialmente mejor para esta
sentencia.
Recommendation (estimated benefit: 35,82%)
- Puede aceptar el perfil SQL recomendado.
execute dbms_sqltune.accept_sql_profile(task_name =>
'analisis_matriculation_view', replace => TRUE);
EXPLAIN PLANS SECTION
1- Original With Adjusted Cost
Plan hash value: 1271206505
Id      Operation      Name      Rows      Bytes      TempSpc      Cost (%CPU)      Time
0      SELECT STATEMENT           4728K      2015M           783K (1)      02:36:41
1      SORT ORDER BY           4728K      2015M      4346M      783K (1)      02:36:41
* 2      HASH JOIN           4728K      2015M      1857M      333K (1)      01:06:48
* 3      HASH JOIN           4728K      1803M      1736M      231K (1)      00:46:14
* 4      HASH JOIN           4728K      1682M           133K (1)      00:26:42
* 5      TABLE ACCESS FULL      A9_AGENCY      1076      34432           8 (0)      00:00:01
* 6      FILTER
* 7      HASH JOIN OUTER           5029K      1635M      1568M      133K (1)      00:26:42
* 8      FILTER
* 9      HASH JOIN OUTER           5029K      1510M      235M      45724 (2)      00:09:09
* 10      FILTER
* 11      HASH JOIN RIGHT OUTER           846K      226M      7792K      23780 (2)      00:04:46
12      TABLE ACCESS FULL      A9_MATRICULATIONFOLDER      185K      5613K           731 (2)      00:00:09
* 13      FILTER
* 14      HASH JOIN RIGHT OUTER           846K      201M      6784K      12190 (2)      00:02:27
15      TABLE ACCESS FULL      A9_FORM06      192K      4517K           1340 (3)      00:00:17
* 16      FILTER
* 17      HASH JOIN RIGHT OUTER           65680      14M      2784K      9769 (2)      00:01:58
18      TABLE ACCESS FULL      A9_FORM05      91913      1705K           592 (2)      00:00:08
* 19      HASH JOIN           65680      12M           8360 (2)      00:01:41
* 20      HASH JOIN           560      37520           25 (8)      00:00:01
* 21      HASH JOIN           560      14560           10 (10)      00:00:01
* 22      HASH JOIN           8      112           7 (15)      00:00:01
* 23      TABLE ACCESS FULL      A9_PROFESSIONALORDER      6      30           3 (0)      00:00:01
* 24      TABLE ACCESS FULL      A9_BRANCHOFFICE      16      144           3 (0)      00:00:01
25      TABLE ACCESS FULL      A9_AGENT      1053      12636           3 (0)      00:00:01
* 26      TABLE ACCESS FULL      A9_USER      2245      92045           14 (0)      00:00:01
* 27      TABLE ACCESS FULL      A9_MATRICULATION      123K      16M           8333 (2)      00:01:41
28      TABLE ACCESS FULL      A9_FORM576      899K      30M           8158 (2)      00:01:38
29      TABLE ACCESS FULL      A9_IVTM      1207K      29M           7562 (3)      00:01:31
* 30      TABLE ACCESS FULL      A9_VEHICLEDATA      979K      25M           9552 (1)      00:01:55
* 31      TABLE ACCESS FULL      A9_VEHICLEOWNER      983K      44M           7771 (2)      00:01:34
Predicate Information (identified by operation id):
2 - access("VOWN"."MATRICULATION_ID"="MAT"."ID")
3 - access("MAT"."VEHICLEDATA_ID"="VD"."ID")
4 - access("MAT"."AGENCY_ID"="AY"."ID")
5 - filter("AY"."DELETEDON" IS NULL)
6 - filter("IVTM"."DELETEDON" IS NULL)
7 - access("MAT"."IVTM_ID"="IVTM"."ID"(+))
8 - filter("F576"."DELETEDON" IS NULL)
9 - access("MAT"."FORM576_ID"="F576"."ID"(+))
10 - filter("FO"."DELETEDON" IS NULL)
11 - access("MAT"."MATRICULATIONFOLDER_ID"="FO"."ID"(+))
13 - filter("F06"."DELETEDON" IS NULL)
14 - access("MAT"."FORM06_ID"="F06"."ID"(+))
16 - filter("F05"."DELETEDON" IS NULL)
17 - access("MAT"."FORM05_ID"="F05"."ID"(+))
19 - access("MAT"."AGENT_ID"="AG"."ID")
20 - access("AG"."ID"="US"."ID")
21 - access("AG"."BRANCHOFFICE_ID"="BO"."ID")
22 - access("BO"."PROFESSIONALORDER_ID"="PO"."ID")
23 - filter("PO"."DELETEDON" IS NULL)
24 - filter("BO"."DELETEDON" IS NULL)
26 - filter("US"."DELETEDON" IS NULL)
27 - filter("MAT"."VALID"=1 AND "MAT"."DELETEDON" IS NULL)
30 - filter("VD"."DELETEDON" IS NULL)
31 - filter("VOWN"."DELETEDON" IS NULL AND "VOWN"."MAINOWNER"=1)
2- Using SQL Profile
Plan hash value: 1408211821
Best regards,
dbajug
Edited by: dbajug on Aug 11, 2010 6:31 AM

Hi all,
the aswer is on this post:
Re: Explain plan
Regards,
dbajug

Explain plan for running query

Hi everyone,
I come to know how to generate explain plan for a given query by giving
Explain plan for select * fro emp;
Consider a query running for 5 hrs in a session and i want to genrate explain plan for that current query in its 4th hour i dont know the sql as well
all the steps by step would be much apppreciated
like finding Current SQL then so on
Thanks
Shareef

912856 wrote:
Hi everyone,
I come to know how to generate explain plan for a given query by giving
Explain plan for select * fro emp;
Consider a query running for 5 hrs in a session and i want to genrate explain plan for that current query in its 4th hour i dont know the sql as well
all the steps by step would be much apppreciated
like finding Current SQL then so on
Thanks
ShareefYOu can also use dbms_xplain to generate plan used in v$sql. like for example
SQL>SELECT SQL_ID, CHILD_NUMBER FROM V$SQL WHERE SQL_TEXT LIKE 'select * from em%';
SQL_ID CHILD_NUMBER
6kd5fkqdjb8fu 0
SQL>SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY_CURSOR('6kd5fkqdjb8fu',0,'ALLSTATS'));If you need the actual tuntime statistics used by sql statement then you need to put hint /*+ gather_plan_statistics */ in sql ststement, something like
select /*+ gather_plan_statistics */ * from emp;
and then generate the explain plan for this
Have a look
http://hoopercharles.wordpress.com/2010/03/01/dbms_xplan-format-parameters/
select * from table(dbms_xplan.display_cursor(null,null,'ALLSTATS LAST'));

How to create an explain plan with rowsource statistics for a complex query that include multiple table joins ?

1. How to create an explain plan with rowsource statistics for a complex query that include multiple table joins ?
When multiple tables are involved , and the actual number of rows returned is more than what the explain plan tells. How can I find out what change is needed in the stat plan ?
2. Does rowsource statistics gives some kind of understanding of Extended stats ?

You can get Row Source Statistics only *after* the SQL has been executed. An Explain Plan midway cannot give you row source statistics.
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matrix wrote in message
news:[email protected]..
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[Attachment xy-time_modified.vi, see below]
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How i can obtain explain plan without run the query

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