How to update a parent child hierarchy in OBIEE

Hello All
Quick question about updating parent child hierarchy in OBIEE.
As we know, OBIEE 11G allows us to create value based hierarchy by generating table creation script and insert script. In the typical example of employee dimension, the parent child relationship table will be created with the following 4 attributes:
MEMBER_KEY, ANCESTOR_KEY, DISTANCE, IS_LEAF
So, what if later in the years some of the employees got promoted, retired or transferred? The value based hierarchy is going to change because person 1 reports to manager 2 now instead of 1. Obviously, the records in employee dimension is going to be updated. When that happens, how to update the parent child relation table with the same information? Do we have to rerun the insert script? How do we keep the history of employee changes and hierarchy changes?
Please advice
Thank you

I guess it will update when the structure changes,Let see the response from other gurus.
Thanks,

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I guess it will update when the structure changes,Let see the response from other gurus.
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So basically this means that if I build a parent child hierarchy on table A having the stucture like
--David (Manager)
-----James (Off1)
--------Bill (Off2)
and in my sales fact table for let's say today, I have only rows for Bill (Off2) because he is the only officer who did the sales today. Now when I will join my fact table to parent child hierarchy table A I will NOT get any data ? because there is no James who is the parent of Bill. So obiee need to have parent pulled off in the data (ANCESTOR) to be able to roll up the child.(IS_LEAF = 1)
I testes this and if my data only contains only rows for Bill (or I limit on ROLE = Off2) then it won't show the hierarchy. The query which OBIEE fires is to look for either ANCESTOR_KEY = NULL OR (DISTANCE = 1 AND ANCESTOR KEY IN (Bill). Therefore it doesn't I am wondering then what is the use of builiding the parent child hierarchy when we need to pull in all the ancestors (like in this case James for bill and David for james) because in real scenarios there can be cases wherein we would want to filter the data based on other dimensions to which the parent child hierarchy joins ?

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I have a Parent-Child hierarchy and writeback enabled measures.
If I make an equal allocation update on a parent element, its datamember gets the same amount as the leaf elements.
How can I override this feature (scope and cell calulation for datamembers would not do...)?
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HELP: how to build a parent-child hierarchy

Hy everyone,
my question is very basic: i need to know what is the structure of the relational tables that OBIEE accepts upon which i can build a parent-child hierarchy. I have data that OBIEE does not accept, do you know where i can find a clear description of the structure of the tables that has to be builded for creating correctly a parent-child hierarchy?
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I've found what i needed, for everyone else:
http://docs.oracle.com/cd/E21043_01/bi.1111/e10540/dimensions.htm#BGBGACFJ
The parent-child relationship table must include four columns, as follows:
•A column that identifies the member
•A column that identifies an ancestor of the member. Note: The ancestor may be the parent of the member, or a higher-level ancestor.
•A "distance" column that specifies the number of parent-child hierarchical levels from the member to the ancestor
•A "leaf" column that indicates if the member is a leaf member (1=Yes, 0=No)
The column names can be user defined. The data types of the columns must satisfy the following conditions:
•The member and ancestor identifier columns have the same data type as the associated columns in the logical table that contains the hierarchy members. Note that the example shown in Table 9-1 uses text strings for readability, but you normally use integer surrogate keys for member_key and ancestor_key, if they exist in the source dimension table.
•The "distance" and "leaf" columns are INTEGER columns.
Note the following about the rows in a parent-child relationship table:
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Parent Child hierarchy Scenario

Hi friends,
Im just working on the parent child hierarchy using the following link with the sample data.
http://www.oracle.com/webfolder/technetwork/tutorials/obe/fmw/bi/bi11115/biadmin11g_02/biadmin11g.htm_
I tried to implement the same hierarchy using my local data instead of referring to the sample data.
I have a below query which returns the employee with manager along with the employee position
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from per_all_people_f papf, per_all_assignments_f paaf, per_all_people_f supf, per_jobs pj
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trunc(sysdate) between papf.effective_start_date and papf.effective_end_date
Im looking forward to implement the same result in my BI with a parent-child hierarchy.
Since i have imported three tables to my physical layer
per_all_people_f------------Dimension
per_all_assignments_f-----Fact
per_jobs---------------------DimensionFor creating parent-child in BI, we need to have a separate Parent child table which consist of four columns like ancestorkey, memberkey, distance, leaf.
From the above column i can understand the meaning like
For Ancestorkey-->Managerid
Memberkey------->Employeeid
But i couldnt get with the meaning for distance column as the meaning suggest like a distance b/w the two and leaf column as the meaning suggest like a leaf member. which leaf member does it refer.
I also referred the below link then too couldnt get the meaning for it
http://www.rittmanmead.com/2010/08/oracle-bi-ee-11g-parent-child-hierarchies-differing-aggregations/+
How i can form the parent child table for the BI from my above three tables of HRMS.
Thanks
Regards,
Saro

Hi friends,
I think i found a link of doing it
http://prasadmadhasi.com/2011/11/15/hierarchies-parent-child-hierarchy-in-obiee-11g/
Let me try this and will update accordingly.
Thanks for your views.
Regards,
Saro

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Hi All,
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Edited by: Needn on 2011-9-8 下午8:42

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SELECT
*0 s_0,*
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PARENT("model"."DIM_PROD_COST_CATEGORY"."DIM_PROD_COST_CATEGORYDim") s_4
FROM "model"
WHERE
ISROOT("model"."DIM_PROD_COST_CATEGORY"."DIM_PROD_COST_CATEGORYDim")
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Hi,
I'm using OBIEE 11.1.1.5 and I have an issue with a parent child hierarchy, which is setup like case 4 in this example . When I create a simple analysis using the hierarchy and a simple measure, it works fine. But when I try to use a calculated measure using a lookup formula, I get the following error:
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Hi,
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Thanks in advance, Phil
My Setup
=============
Dimension - logical level
===============
member key = employee_id
parent-child table source
===============
member key = employee_id
parent key = supervisor_id
relationship distance = levels_removed
leaf node identifier = isleaf
Employee logical folder
==============
employee_id ( number)- primary key
full_name (varchar2) - unique key
supervisor_id ( number)
Closure table
=========
employee_id ( number)
supervisor_id ( number)
level ( number)
isleaf ( number)

Thanks for the link Suresh but the aggregations are working correctly.
My problem is only at the display level. I need to create a dashboard that displays the complete hierarchy.
So for example if I have this hierarchy:
- Steven King
- Adam Frip
Alexis Bull
Anthony Cabrio
Alberto Erraruriz
Den Raphaely
I want the dashboard to display immediately that complete hierarchy. If someone adds a member to the hierarchy in the database, the dashboard should display this new member without having to manually modify the dashboard.
- Steven King
- Adam Frip
Alexis Bull
Anthony Cabrio
- Alberto Erraruriz
Mozhe Atkinson
Den Raphaely
Also, if I just manually open the hierarchy and save the dashboard, if "Steven King" is replaced by "Shanta Vollman", the dashboard doesn't like it and returns a result looking like:
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Alexis Bull
Anthony Cabrio
- Alberto Erraruriz
Mozhe Atkinson
Den Raphaely
+ Shanta Vollman
So I'm looking for some option that will tell OBIEE to open the hierarchy without having to specify "Drill down on member "Steven King"", "Drill down on member "Adam Frip"...
I hope I'm explaining correctly...

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Jeevan Chaudhari

Dear Gowtham ,
I am very well aware of the level based hierarchy available in BO .
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I have screen shots but don't know how to include them in this kind of a post.
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How do I identify parent/child relationship

How do I identify parent/child relationship in Designer?

turn your object into a symbol, and place multiple instances of it on the artboard, when you edit the symbol all instances will update.

Want to flatten my parent-child hierarchy into an level-based hierarchy.

Hi Expert,
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Thanks in Advance
S

If you have an Oracle DB have a look on the CONNECT BY PRIOR functionality.
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http://obiee101.blogspot.com

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Hi,
According to me, Hierarchy level will work fine in ms excel for all analytical, calculation view using MDX Provider..
Do you have any composite primary key or composite foreign key in the tables....
r u getting correct level hierarchy output in Hana studio... plz check with all types of permutation possible.if u r getting correct output in analytical view w.r.t hana but fails to get in Ms excel..
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How to update a parent child hierarchy in OBIEE

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