Expert advice needed on Remodeling and line item Dimension

Hi All,
Scenario:
I have a cube 0FIAP_C03 for line Item. Now in this cube one of the dimensions u201CC036 -Document Detailsu201D is reaching the size of the Fact table. We are planning to use Re-Modelling and shift some of the characteristics like 0DOC_NUMBER - Sales Document, 0AC_DOC_NO - Accounting document number etc from this Dimension to another Dimension to reduce the size of this Dimension Table.
I have the following Questions:
1Will it be possible to add a new  dimension and shift some characteristics from old Dimension to this new Dimension using remodeling( we donu2019t want to delete data from the cube)
2.what are the other feasible options to overcome the problem I have mentioned in my scenario( like Line Dimensions)
3.In case we can make this dimension as Line Dimension what other changes need to be made.
I am looking for a detailed explanation with all prou2019s and conu2019s, So kindly help me with your expert inputs.
Thanks,
Prafull.

Hi Prafulla,
Answers to your questions
1Will it be possible to add a new dimension and shift some characteristics from old Dimension to this new Dimension using remodeling( we donu2019t want to delete data from the cube)
No, remodelling wont work as per my understanding. ie You will have to delete and reload data
However, this also depends on the data in your dimension.....................................................
Consider the following example
Index(Dim-id).....Sales document............Sales Item............Accounting document
1......................1233456........................10.......................A123 .......end of record
2......................1233456........................20.......................A123.......end of record
3......................1233456........................30.......................A123.......end of record
Now suppose if you had to remodel the above dimension to move sales item to other dimension, then the dimension would appear as below................................................................................................
Index(Dim-id).....Sales document............Accounting document
1......................1233456.......................A123.......end of record
2......................1233456.......................A123.......end of record
3......................1233456.......................A123.......end of record
Now the problem is for the same combination of sales document and accounting document you should have had 1 row in the dimension, but you are having 3 rows(indexes) hence you are flouting the uniqueness for read and write operations to the dimension.. So logically this shouldnt be allowed...
However if your data in the dimensions is such that the uniquness of each row in the dimension is not disturbed, you could use remodelling.
You can try this in quality.
2.what are the other feasible options to overcome the problem I have mentioned in my scenario( like Line Dimensions)
I am not sure if I have understood your question. But I will still try to answer. If the dimension table has reached the size of the fact table then it is appropriate to consider remodelling.
Also you should consider embedding sales document and accounting document in the same dimension. Since there would be generally only one accounting document each sales document.
Use line item dimensioin as far as possible(restricted by number of characteristics). It reduces one step whie query since SIDs are directly present in fact table.. so you don't have to scan through dimension table.
Also have you considered archiving old dat not reported... It will reduce your dimension as well and improve performance...
3.In case we can make this dimension as Line Dimension what other changes need to be made.
-No other changes.
A safer option is to delete and reload data. Anyway remodelling also recommends a back up...
Its better to create a copy cube and use the copy cube/original cube for reporting until the other cube is getting processed to have minimal time of unreportable data.
Apologies .. Looks like the text in the post is loosing the format in which I typed hence the allignment is not correct..
Hope this helps,
Best regards,
Sunmit.

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