Line Item Dimenstion

Hi,
Can any one will tell me about
1. Line Item Dimension....(i know the concept but how to defnine in an interview i wnat).
2. what is the downtime required for initialization update without data transfer.
3. what is the downtime required for delta update.
Plz anser my queries its urgent
Thanks and Regards,
Anjali

Hi Anjali,
using a Line Item Dimension is a good way to improve performance because there will be saved the SID of the master data directly in the dimension table in the cube. So the system has to read one table less than in a normal dimension.
Normally you won't have any down times during the extraction by init or delta. Which datasource do you want to use? By using the logistic cockpit you might have a downtime for the first buildt of historical data in a 'setup table'. In that case it could be necessary to avoid doing transactions by users at the same time.
Bye
Frank
null

Similar Messages

  • Line items  AND GENERIC EXTRACTION

    what does line items exactly mean in DATASOURCES
    AND WHAT ARE DELTA TYPE EXTRACTIONS IN GENERIC
    TIME STAMPING
    CALENDAR DAY
    NUMERICAL POINTER
    COULD ANY PLEASE EXPLAIN THE DIFFERNCE  AND IN WHAT SCENARIOS WE USE IT ...
    LOOKING FOR YOUR REPLY

    Hi Guru,
    Check below doc & thread for Line Item Dimension:
    https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/a7f2f294-0501-0010-11bb-80e0d67c3e4a
    Line Item Dimenstion
    If a field (date, progressive document number, timestamp) exists in the extract structure of a DataSource that contains values which increase monotonously over time, you can define delta capability for this DataSource. If such a delta-relevant field exists in the extract structure, such as a timestamp, the system determines the data volume transferred in the delta method by comparing the maximum value transferred with the last load with the amount of data that has since entered the system. Only the data that has newly arrived is transferred.
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    After the data request was transferred to the extractor, and the data was extracted, the extractor then informs generic delta management that the pointer can be set to the upper limit of the previously returned interval.
    To have a clear idea:
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    3. If delta field is a Numeric Pointer i.e. generated record # like in GLPCA table, then use
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    may get lost. To prevent this situation, lower limit can be used to backup the starting
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    Refer this link from help.sap.com
    http://help.sap.com/saphelp_erp2005/helpdata/en/3f/548c9ec754ee4d90188a4f108e0121/frameset.htm
    Difference between timestamp used in copa and generic data extraction?
    COPA timestamps vs Generic timestamps
    Check this doc for more info:
    https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/84bf4d68-0601-0010-13b5-b062adbb3e33
    Hope these helps u...
    Regards,
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  • How can we know the size of the dimension(in Line item Dim)?

    Hi to all experts,
    We use Line item dimension if the size of dimension is 20% or more of the fact table. My doubt is that how can v know that the size of the dimesion is 20% or more of FT?. But we never store MD in dimension tables......So please help me to understand this scenario? Thanks in advance.

    Hi
    Normally before modelling you will assume the number of entries in your master data and transactional data..
    If your dimension is having 3 characteristics
    say A,B .....and these characteristic values are say
    A---10,000( Total number of master data records)
    B----7,000( Total number of master data records)
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    in this case you better keep A in a dimension and B in another dimension.
    Normally SAP recommends your dimension table shouldnot exceed 100,000...
    so whenever you expect a characteristic is having more values then you should make it as line item...
    If you want to add a new characteristic to the existing model then you can decide by comparing the ratio of dimension table to the fact table..
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    dimension size
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    Thanks,
    Teja
    Edited by: Teja badugu on Apr 24, 2008 12:19 PM

  • Dimension - Line Item

    Hi Everybody,
    when does make sense to define a Dimension as a Line Item? what are the pros and cons?
    Thanks
    FedeX

    Hi FedeX
    When we should create a dimenstion as line item -
    Line Item Dimension is created when size of the Dimension is 20% of the fact table.
    Advantages :-
    1. When loading transaction data, no IDs are generated for the entries in the dimension table.  This number range operation can compromise performance precisely in the case where a degenerated dimension is involved.
    2.A table- having a very large cardinality- is removed from the star schema.  As a result, the SQL-based queries are simpler. In many cases, the database optimizer can choose better execution plans
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    For more information please read http://help.sap.com/saphelp_erp2004/helpdata/en/a7/d50f395fc8cb7fe10000000a11402f/content.htm
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    Don't forget points)

  • Unable to capture field values in Master agreement  Line Items

    I am trying to get the field values from master agreement line items page. I have written the following code to get the line item details which is working fine to capture part number and quantity->
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    Edited by: subrataindra on Aug 10, 2010 11:11 AM

    This will return the name of the plant.
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  • Vendor Line Item not cleared after F110

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  • Urgent - "Vendor balances carried forward and line items report."

    Hello,
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    ==============================================
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    thanks for the response, but i have already tried those transactions.
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  • Report  for bom wise target and actual cost as well as qty at line item

    Dear Experts,
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    Dear experts,
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  • Customer/Vendor A/C with line item details and with opening and closing Bal

    Dear Sir / Madam,
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    Hello Srinujalleda,
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  • Vendor Line item with Opening and Closing Balances report regarding

    Dear All,
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  • Vendor Line Items

    Is there any std BAPI or FM to get Vendor Line Items?
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    Thanks in advance. Points will be rewarded.

    hi Nikhil,
    yes, open items are in BSIK, cleared items are in BSAK. There is no table where you can find both! Acc. to my knowledge, there is no FM or BAPI to give back the information you need. You have to select from the tables. In fact you can find all items in BSEG (together with debitor and G/L items), but selecting from that table can take ages...)
    hope this helps
    ec

  • How to clean line items

    Hi,
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    When we query a particular GL account the number of lines fetches are more than 6 lakhs line items due to which we are not able to extract complete dump .
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    Thanks

    Hello.
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    Hope this helps, otherwise repost.
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  • Report for GR/IR line items - with PO details - profit center wise

    Hi
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  • Can it not possible that i can retrive it for all line items in a single qu

    I have to make report for my application in which I am facing a following problem:
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    maybe if you can post some sample data and output will help us analyze more youre requirement.

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