Question packets parent and child
Hello
Greetings!
I have a Parent package and a child package that have around 20 packs inside.
When I run the parent package and a child, the parent package runs in a few seconds, but the 20 jobs in child packages takes 1 hour of time to execute.
In operator, it is the final parent package watch while the child packages takes time to complete. Have first child packages must complete and Parent packets after that.
No idea why this happening.we also by controlling refreshing but his does not work.
Thank you
Lony
If you call asynchronously a child/scenario package then it will return control to its parent immediately, what is the nature of asynchronous operations and you to have several processes running in parallel. If you don't want the Parent to complete its execution until all her children are processing you have 2 options:
(1) not to call asynchronously the child, if you do not have many children parallel execution is the usual approach
(2) However, if you have several children, parallel execution, make use of the odiwaitforchildsesion tool. You use once at the beginning of the sequence run in parallel and once at the end and this will ensure that your parent package will wait for all asynchronous operations to complete before continue. This link gives a good overview of how to implement asynchronous - parallel execution - ODIExperts.com
Tags: Business Intelligence
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This quote seems to come from Steve Adams - http://www.ixora.com.au/q+a/0104/19005414.htm
It's a good idea to cite your references.I'll give it a go.
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The basic information for a parent cursor is the text of the SQL statement - exact matches of the statement can only share the parent cursor.
The cursor of the child is really on the implementation plan specific for a statement and the different settings and parameters that caused this plan to be generated.
There are a whole bunch of reasons why the executions of the same SQL statement may or may not reuse the existing child cursors.
In your example 2 statements that differ by the variable binding are likely to lead to different children, although there are factors that can lead to lie different values, do not share the same children among whom for example, the length of the dregs, Adaptive setting cursor_sharing = similar and histograms, or new features like cursor sharing (on subsequent runs of renowned sql running suboptimal initially).
It might be useful to see V$ SQL_SHARED_CURSOR. This shows the disparities that cause children to not be shared. There are more than 60 columns in this view which gives an indication of the number of factors that can influence.
http://download.Oracle.com/docs/CD/E11882_01/server.112/e17110/dynviews_3059.htm#REFRN30254You might want to look here the criteria for sharing SQL:
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http://blogs.Oracle.com/mt/mt-search.cgi?blog_id=3361&tag=cursor%20sharing&limit=20Christian Antognini described this area very well in the "Oracle Performance Troubleshooting Guide".
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Parsing sql - cursor parent and child
Hi all
What is the parent and child when parsing sql cursor?
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HTH
Aman...PS: Please don't bump up to the thread. This is not support so people are not forced to update immediately. All are volunteers so assume that they would update the thread as and when they have / get time to do.
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package assets
{
import flash.display. *;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.text.TextField;
flash.net import. *;public class myDynMenu extends Sprite {}
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LOADS MENU DATA FROM PREFORMATTED XML
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//
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package assets
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Delete records parent and child
Hi all, hope you can help. I was wondering what the most effective method is to do this:
There are 3 tables involved.
TBL_APPLICATION (appl_no (PK))
TBL_ROOM (appl_no (FK))
TBL_ROOM_MATE (appl_no (FK))
TBL_APPLICATION is the main table and has a 1 to many times TBL_ROOM & TBL_ROOM_MATE relationship.
I have 80 files or that I need to remove TBL_APPLICATION and atomically delete their child references in the TBL_ROOM & TBL_ROOM_MATE as well.
I looked at a procedure that allows you to select each app_no and removes references to the child first and then countering to TBL_APPLICATION.
Some tips and examples would be much appreciated, as it is important I don't mess this place and I want to keep each atomic transaction incase something breaks down. : D
Thank you very muchoraCraft wrote:
Arrays do not have the Delete Cascade game, nor can I change the table. So I can't use it. I will implement the procedure.Tubby if I had to create a cursor and loops on each App_no running the three remove commands, is completely Atomic? as he used complete unless all orders delete three are made to the database. ? Also will I commit in the loop or outside it?
Do not use a loop, all that will do is to add massive amounts of overhead to the procedure.
Perform deletions as I pointed out, this is your best bet.
Regarding the commitment, which is really for you. Generally, you should not be committed in your routines, that should be the responsibility of the calling application so that it can determine the transaction limits.
If you have added a validation of the code, you would add a commit only after the statement of final deletion, which would preserve the integrity of the transaction in this procedure, but again, adding a commit procedure means you have mandated that a transaction includes, who can not fly with applications by calling the procedure.
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Need help with a self-join select the parent and child
Hi all
I have an OFFICE table that will hold the Oncology, district and division of the hierarchic is Oncology-district-> division >
I want to list Oncology, district and division with its parent of the value of the followingprovinc district division A NULL NULL A A.A NULL A A.A A.A.A
I need your help.-- Create table CREATE TABLE OFFICE ( SLNO VARCHAR2(20 BYTE), OFFICE_NAME VARCHAR2(20 BYTE), PARENT_SLNO VARCHAR2(20 BYTE), TYPE VARCHAR2(2 BYTE) ); ALTER TABLE OFFICE ADD ( CONSTRAINT OFFICE_PK PRIMARY KEY (SLNO) ); ALTER TABLE OFFICE ADD ( CONSTRAINT P_C_FK FOREIGN KEY (PARENT_SLNO) REFERENCES OFFICE (SLNO)); INSERT INTO OFFICE (SLNO, OFFICE_NAME, PARENT_SLNO, TYPE) VALUES ('1', 'A', NULL, 'PR'); INSERT INTO OFFICE (SLNO, OFFICE_NAME, PARENT_SLNO, TYPE) VALUES ('2', 'A.A','1', 'DT'); INSERT INTO OFFICE (SLNO, OFFICE_NAME, PARENT_SLNO, TYPE) VALUES ('3', 'A.A.A', '2', 'DV');
Thank you.
Published by: Dipabkar Banik (DB) on June 13, 2011 12:17 AM
Published by: Dipabkar Banik (DB) on June 13, 2011 12:18 AM
Published by: Dipabkar Banik (DB) on June 13, 2011 06:45
Published by: Dipabkar Banik (DB) on June 13, 2011 06:47Try this
SELECT CONNECT_BY_ROOT (office_name) provinc, DECODE (LEVEL, 2, office_name, PRIOR office_name) district, DECODE (LEVEL, 3, office_name) division FROM office CONNECT BY PRIOR slno = parent_slno START WITH parent_slno IS NULL
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