3 Answers
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Best AnswerPosted on Nov 18, 2005 at 04:45 AM
Hi Swetha,
In general, TRs represent technical data transformation (for example, transformation of date format). URs represent business logic. But certainly, here might be exceptions.
If you have infoobjects in your data target which are not provided by datasource, then you write logic in URs. You can do it in TRs also (for example lookup into master data tables to determine one IO’s value based on another IO’s value).
In case of URs you have your IOs in the data target and don’t have to have them in the comm structure/transfer structure. In case of TRs you must to have these IOs in the comm structure.
Best regards,
Eugene
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Former MemberPosted on Nov 18, 2005 at 03:50 AMHi Swetha
Transfer rules :use the transfer rules to determine how you want the transfer structure fields to be assigned to the communication structure InfoObjects
Update Rules :Update rules specify how the data (key figures, time characteristics, characteristics) is updated to data targets from the communication structure of an InfoSource. You are therefore connecting an InfoSource with a data target.
Basically update rules are specific to Data Targets where as Transfer rules applies to InfoSource.When you want rule to apply to all the datatargets from a Infosource ,you write it in Transfer rules.
Hope this helps.
<i>Sudh</i>
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