Dimensional Hierarchy DOUBT

Hello Experts
I have an requirement were i have to create a report with time dimension and a hierarchy is defined for this time dimension from Year till Seconds .
My Question is : I HAVE TO USE THE SAME DIMENSIONAL HIERARCHY AND WANT THE REPORT TO DRILL ONLY TILL THE DAY LEVEL (COULD ANYBODY PLEASE SUGGEST WHAT YOU HAVE DONE IF YOU FACED THESE EXPERIENCE BEFORE)

Not much you can do here. If you data really is at the seconds level, and the hierarchy really needs to go from year clear down to seconds, then you might be out of luck - I don't know any way to allow users to drill to only a given level in one report, but a different level elsewhere.
Having said that, maybe it would be easier to define a "date" dimension that has years -> quarters -> months -> days, and then have a "time of day" dimension that has hours, minutes, and seconds. Create drills within the dimensions, but don't create a drill between the dimensions (so if users ever want to drill from day to hours, they manually have to add in the hours component)
I think 11g may (?) be able to help - I believe you can pick a hierarchy to drill through in that version, in which case you may be able to have one hierarchy that goes from years -> seconds, and another that drills from years -> days only. If so, that would meet your requirement (haven't played with 11g yet, so not certain this is possible)
Thx,
Scott

Similar Messages

Is Dimensional Hierarchy always created for a Dimension?

Hi! In my data model there are dimensions but, they do not follow any hierarchy i.e. everything is at the same level. In such a case do I still need to define hierarchy? I know that a Dimensional Hierarchy will have at least two levels, Grand Total and Detail, what happens when everything is at Detail Level?

there is no need to define any level based measures as everything will be at the primitive level.
It is just like having no hierarchy defined, but only at grand total you can associate measures from multiple fact tables & get grand totals.
let me know if that resolved your doubt!!
Mark posts promptly
J
-bifacts
http://www.obinotes.com
Edited by: bifacts on Nov 9, 2010 10:55 PM

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Hi deeba,
Its not mandatory to specify the number of elements in hierarchy....if you wont mention also by default it takes the value of 1.....Above vino gave you the link for explanation.
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Dimensional Hierarchy - Organizational unit

Hi all,
I have the following queries related to Dimensional hierarchy.
1. Why we associate logical columns in the dimensional hierarchy?
2. For a particular organization unit there is no dimensional hierarchy, i mean data is at detailed level..
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regards
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1. Why we associate logical columns in the dimensional hierarchy?
Dimension hierarchies establish levels for data groupings and calculations in your report, they also provide paths for drill down.
2. For a particular organization unit there is no dimensional hierarchy, i mean data is at detailed level..
How to display data? ....i mean is it required to build dimensional hierarchy.
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Display dimensional hierarchy...

Hi All,
I have Time dimensional hierarchy.i want Display Month level to Date.
Time Dimenssion haveing
Year----quater--month---week--day--- lavel
but i want display month-------week---Day
it is possible to display Useing same hierarchy
Thanks,

Provide some more details.
Like which OBIEE version you are using OBIEE10 or OBIEE 11g.
Do you mean to say you want skip Quarter and drill down from Year to Month to Day. If yes, then at Year level in Hierarchy you can set preferred drill path as Month.
If you are using presentation hierarchy in OBIEE 11g. You can delete the Quarter level from the presentation hierarchy itself.
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Hello guys
I have a case here.. The way our business is set up is that we have one dim table called channel dim, and another one call customers. Customer ID should be the child of channel ID. In other words, the measures at each Customer ID level should rollup to its parent channel ID level..
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Hi,
Yes the fact table has the keys to the date and customer dimension. Is there any other column or information needed to create the constraint prompt?
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Dimensional hierarchy in OBIEE 11g

Hi guys,
I have are quirement to build a pivot table using a star schema.
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Rahul,
See the below link will helpful for you,
http://iniu.net/content/obiee-define-star-schema-over-snowflake-data-model-data-source
Thanks,
Balaa...

Reg: Dimensional hierarchy

Hi Experts,
I want a small clarifications on hierarchy's after creating hierarchy in rpd in UI level suppose when we drill down from one level to another level like year to month every time will it goes to the database for fetching the data or how and what is purpose of the number of elements at this level.
Regards,

Try to read Admin help file for the same:
It says that:
This number is used by the Oracle BI Server when picking aggregate sources. The number does not have to be exact, but ratios of numbers from one logical level to another should be accurate

Dimensional Hierarchy - Estimate Levels - Consistency Error

Hi,
I have created Time dimension hierarchy. Fiscal Yr-Fiscal Qtr -Fiscal Wk- Fiscal Month.
When I check Estimate levels - Fiscal Yr and Fiscal Month are passed.
For Fiscal Qtr and Fiscal Wk -- throwed error. Consistency Failed.
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In database I have only one table.
Thanks!!

Bear in mind that the "Estimate Levels" option is very buggy at the best of times. All it essentially does is a count distinct of the key values at each level so you can do this manually if you prefer.
The consistency messages you are seeing might be because the number of elements is lower than the number at the hierarchy level above. The number of distinct values should be lowest at the top of the hierarchy and increase with each subsequent child level. Personally, I would just set the numbers manually and forget the "Estimate Levels" option.
Paul

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Hello Gurus,
Can we have 2 different Hier structure for 1 Info object.
I have made a FF Hierarchy which is working perfect on IDES. Already in EMP they have got different Hier structure which is not right. so i want to use that hierarchy which i created to that IO with out deleting the old 1.
Is this possible or do i need to delete the old hierarchy and use only the new one.
Warm Regards
Mahesh.N

secondly, Node name we have got all Nos but in View Hier iam getting Node name which is of Char(comp name), and some nodes are not getting it hw is this possible?
Can u rephrase this....
Thanks Roberto,
Manually created FF for almost 130 rows looking at Prod server Hier Struc comp_hier
In my FF(comp_hier), i created fields like NodeID;InfoObject;Nodename;;Parent ID; and so on. and in that FF the node name i entered as 13456, 201 and so on by looking at prod server Display Hier struc. I havent entered any Description for those in FF. But while i run IP in Dev server those Node Nos 13456, 201 are transformed in to Slovakia, Broadband so on..
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I have an issue here. Please help me out.
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While running super group cost element report i am getting subgroup and cost element report.
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Hi Yongqiang,
Thanks for a quick reply.
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New elements in Hierarchy

Hi,
In OBIEE,
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This number is used by the Oracle BI Server when picking aggregate sources. The number does not have to be exact, but ratios of numbers from one logical level to another should be accurate.

Error while creating Hierarchy

Hi,
I am trying to create a Dimensional Hierarchy for Dim_w_Day_D. I can successfully create parent levels up to CAL_QTR without any error. When I create CAL_YEAR and check for consistancy, it gives me the below error:
BUSINESS MODEL OBIEE:
[nQSError: 15001] Could not load navigation space for subject area OBIEE.
[nQSError: 15019] Table Dim_W_Day_D is functionally dependent upon level CAL_YEAR, but a more detailed child level has associated columns from that same table or a more detailed table.
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Yogini

ya that would definately cause problems at each level if you dont set no of elements.
Firstly how did you create a dimension,creating a dimension hierarchy has 2 process to implement.one is manually done and the other method is automating process.
Hope you have done the manual process,so you should first update the row count and then use the row count information to set the number of elementsat each level in a dimension hierarchy
for example
level column rowcount
generic subtypecode 30
specific description 20
For the top table where you dint define key i.e. highest top parent level,select teh grand total level check box.
Did u implement the right steps??

Obiee dimension hierarchy ?

what is purpose of od dimensional hierarchy in obiee ?

Dimension Hierarchy -
If you Introduce formal hierarchies into a business model it establishes levels for data groupings and calculations and provides paths for drilldown
Steps to Create a Dimension Hierarchy - >
Create a dimension object.
Add a parent-level object.
Add child-level objects.
Determine number of elements.
Specify level columns.
Create level keys.
Create a level-based measure.
Create additional level-based measures.
Create share measures.
Create rank measures.
Add measures to Presentation layer.
Test share and rank measures.
kp

Dimensional Hierarchy DOUBT

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