Impact of Changing Dimension Hierarchy

I know this is done all the time - but wanted to double check - my client wants to change the hierarchy of a dimension (Hyperion Planning) significantly. Needless to say, that dimension is used in forms and reports - including in the page views. They want this done in production. Does changing the hierarchy have any impact on the forms or reports? I know this might be a little bit of a subjective question, but how would you assess?
Thanks.

Hello,
First of all, I would suggest that the modification be done in developing environment, and then migrate to production if no doubt after testing.
If this is not possible, then you should consider the member selections in your forms, reports:
- Will the level selected change? Ex: if you select child of a certain member by function, you should consider what is going to be selected after modification.
- Is there any specified member is going to be removed?
- Will the form make sense after the modification of dimension?
Since this topic is more a business logic one than only technical one, I think it hard to provide a confident answer. I think if possible, you definitely should test it first on another environment, or duplicate this application and do the modification on it first.

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Say you have a dimension hierarchy with the level Department that has a child level Division. The Sales Division belonged to the Financials Department up until July 9th, 2011, after which it was moved to the Marketing Department. How can you make it so that both Sales Divisions are interpreted as the same Division, rather than two different Divisions as BI Answers does by default?

I don't think SCD1 would work as BI Answers essentially splits things via both keys and description fields, resulting in odd behavior such as this:
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Impact of changes in CUNI

Dear All,
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KZEX3 and KZEX6 - 3 and 6 char.external unit: What are these fields for?
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KZ1EH and KZ2EH - (1) and (2) unit: What are these fields used for?
KZWOB - Value-based commt: What is it for? Where it is important in the process?
MSEH3 - Commercial: Where it is used? What is the impact of changing it?
MSEH6 - Technical: Where it is used? What is the impact of changing it?
MSEHT - Measuremt unit text: Where it is used? What is the impact of changing it?
MSEHL - Unit text: Where it is used? What is the impact of changing it?
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Thank you
Andrea

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Oracle Business Intelligence Dimension hierarchy question

Hi,
I am prasanna.I have a problem while display the data from dimension hierarchy.I have created a time dimension hierarchy.I can drill down upto week number but i m unable to display the time_id(this is the last level of the hierarchy).When i check the properties of the time_id,the HIDE check is checked.Even if i uncheck the checkbox also i m unable to display that column.How to change properties of the column manually.I can find the column at the criteria but not at results tab.How can i display the column.
Thanks ,
prasanna

HI Prasanna,
what is the least granularity for your time dimension? is at week level or day level. verify the dim hier configuration in rpd. if you define time_id as level key you dont get that column in answers results while drilldown. you may create another logical column and drag it to week level as an attribute then you will get it. and why do you need time id in answers. generally we dont use id's for reporting.
try again after above configuration and you will be all set.
Thanks
Jay.

Aggregating Slowly Changing Dimension

Hi All:
I have a problem with whole lot of changes in the dimension values (SCD), need to create a view or stored procedure:
Two Tables within the Oracle db are joined
Tbl1: Store Summary consisting of Store ID, SUM(Sales Qty)
Tbl2(View): Store View created which consists of Store ID, Name, Store_Latest_ID
Join Relationship: Store_summary.Store_ID = Store_View.Store_ID
If I’m pulling up the report its giving me this info
Ex:
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121, Kansas, $1200, 1101
1101, Dallas, $1400, 1200
1200, Irvine, $ 1800, Null
141, Gering, $500, 1462
1462, Scott, $1500, Null
1346,Calif,$1500,0
There is no effective date within the store view, but can be added if requested.
Constraints in the Output:
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2)     If the Store Latest ID = ‘XXXX’ then that replaces the old Store ID and the next records will be added to the db to the new Store ID ( Ex: 121 to 1101, 1101 to 1200, 141 to 1462)
3)     Output Needed: Everything rolled up to the New Store ID irrespective of the # of records or within the view or store procedure whenever there is a Store Latest ID that should be assigned to the Store ID (Ex: the Max Latest Store ID Record for all the changing Store ID Values) and if the value of Latest Store ID is 0 then no change of the record.
I need the output to look like
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union
Select sd.Store_Latest_ID, ss.Sales_Qty, null
From Store_Summary ss, Store_Details sd
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And placing a join to the created view to Store Summary ended up getting the aggreagation values without rolling up and also the Store ID's which are not having latest ids are ending up with a value 0 and the ss quantity aggregated, and if there are changes within store id for more than two times then its not aggreagating the ss quatity to the latest and also its not giving the store name of the latest store id.
I need help to create a view or stored procedure
Please let me know if you have any questions, Thanks.
Any suggestions would be really Grateful.
Thanks
Vamsi

Hi
Please see the following example
ID- Name -Dependants
100 - Tom - 5
101 - Rick -2
102 - Sunil -2
See the above contents...assume the ID represents employee ID and the dependants include parents, spouse and kids....
After sometime, dependants may increase over a period of time but noone is sure when exactly it will increase.....assume in case of a single get married and increase in dependants
So the attributes of the Employee had a slow chance of changing over the time
This kind of dimensions are called slowly changing dimensions
Regards
N Ganesh

Not able to see ikm oracle incremental update and ikm oracle slowly changing dimensions under PHYSCIAL tab in odi 12c

not able to see ikm oracle incremental update and ikm oracle slowly changing dimensions under PHYSCIAL tab in odi 12c
But i'm able to see other IKM's please help me, how can i see them

Nope, It has not been altered.
COMPONENT NAME: LKM Oracle to Oracle (datapump)
COMPONENT VERSION: 11.1.2.3
AUTHOR: Oracle
COMPATIBILITY: ODI 11.1.2 and above
Description:
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SQL Server Agent Jobs error for Slowly changing dimension

Hi,
I have implemented Slowly changing dimension in 5 of my packages for lookup insert/update.
All the packages are running good in SSDT. And when i deployed the project to SSISDB and run the packages all are running successfully. But when i created a job out of that and run the packages, then 3 packages ran successfully and 2 packages failed.
When i opened All Execution Report. I found the following error:
Message
Message Source Name
Subcomponent Name
Process Provider:Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80004005. An OLE DB record is available. Source: "Microsoft SQL Server Native Client 10.0" Hresult: 0x80004005 Description:
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a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online.". An OLE DB record is available.
Source: "Microsoft SQL Server Native Client 10.0" Hresult: 0x80004005 Description: "Named Pipes Provider: Could not open a connection to SQL Server [53]. ".
Process Provider
Slowly Changing Dimension [212]
Then i opened Provider package in SSDT and changed the source reading record limit from 4,00,000 to 15,000 in source query and deployed again and run, then the job succeeded. more than 15,000 failed.
And in the 2nd experiment, I removed slowly changing dimension task and implemented normal lookup for insert/update, and set the source reading limit again to 4,00,000 and deployed again and run, then the job succeeded.
Now i am not able to figure out, what exactly is the problem with Slowly changing dimension task for more than 15,00 records in SQL Server Agent Job run?
Can anybody pls help me out.
Thanks
Bikram

Hi Vikash,
As i have mentioned in the above post, below 2 scenarios:
"Then i opened Provider package in SSDT and changed the source reading record limit from 4,00,000 to 15,000 in source
query and deployed again and run, then the job succeeded. more than 15,000 failed.
And in the 2nd experiment, I removed slowly changing dimension task and implemented normal lookup for insert/update, and set the source reading limit again to 4,00,000 and deployed again and run, then the job succeeded."
That means i am able to connect to sql server.
But if i change the 1st scenario and read 4,00,000 records, the job fails and shows the above mentioned error.
Similarly in the 2nd scenario, if i implement SCD look up, the job fails and shows the above mentioned error.
And i am consistently reproducing this.
Thanks
Bikram

Impact of changing/enhance an existing master data object

Hi Experts,
I have a new requirement to enhance 0comp_code in order to add 2 extra fields in the master data.
As 0comp_code is an infoobject used in lots of cubes, I would like to know which is the impact of changing it.
Which actions should I take into account before doing any changes.
Many thanks in advance!

Hi,
If you are adding any new fields to infoobject, you will not have any impact to existing info providers which uses that infoobject.
If the attr u add is a navigational attr and if you want ur info provider to have it, then you will have to enable it and activate the info provider and the update rule as well.
is your data source modified to bring in those new fields? or is it going to be manually maintained?
Regards,
Pradhiba

A Question Related to Dimension Hierarchy

Hi All,
While going through some hierarchies, i found that some columns were associated with the levels in hierarchy but these columns were not part of level keys.
I want to know that what is difference between the result when columns that are not level keys are associated with a logical level and when such columns are not associated with a logical level ?
Does such columns affect the result when selected in BI Answer?
For exp -
Suppose i have below time dimension hierarchy -
Time
->Grand Total Level 0
---> Year Level1
Year (Level Key)
Year Start Date
Year End Date
---> QuarterLevel2
Quarter(Level Key)
Quarter Start Date
Quarter End Date
---> MonthLevel3
Month(Level Key)
Month Start Date
Month End Date
---> Day Level4
Day (Level Key)
Day Start Date
Day End Date
These start date/end date columns are not part of level keys.
The same thing i have observed in other hierarchies too.
I want to know that what would happen, if these columns are not present at these levels?
So When should we associate columns those are not part of level key to levels and when we should not associate ?
Thanks,
Ashish

Hi ,
The non key columns used in each of the levels help in faster retireval for that aggregate level .
If you look closely at these columns you will find these to be unique ,now having said that another point is that these levels are also used for aggreagation
as we all know.
For ex at the month level the key identifies all the unique moths but if data has to be shown for one particualr month then with the start momth date and end month date the retrieval would be still better :)

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We are in the process of creating a dimension hierarchy. We see multiple options here
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Impact of Changing Dimension Hierarchy

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