Introduction
This article is proposed
to cover the fundamentals of good ABAP programming for BW developers, designers
who are capable in BW yet not so in ABAP and ABAP learners. In a typical BW environment,
we utilize ABAP to compose a code for completing a turn upward in change or to
code work modules to remove information from source frameworks. This procedure
would by and large include presentations, determination of information, read
the chose information to control it or to perform computations.
SAP ABAP in BW/BI
Between SAP R/3 and BW,
there are particular contrasts between how we can utilize ABAP programming in
these environment and what we can expect as a result of improvement. So as to
see how ABAP is utilized as a part of BW, we ought to have a general
comprehension of the foundation of BW. By and large talking, in BW, we are
managing Objects that we associate with some kind of setup, for example, the
connecting of an ODS with an InfoCube, or the making of source framework
definitions and data sources. What we won't do on a general premise in BW is
building screens and numerous client exits in ABAP to pick up extra
functionality. This is the unmistakable contrast in BW as it identifies with
R/3. In BW, we will utilize ABAP to change our information as necessities
manage, and in addition give extra preparing amid extraction and updates.
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SAP ABAP use in area of BW
BEx
User Exit
Allows the creation and
population of variables and calculations for key figures and variables on a
runtime basis. This user exit is called each time BEx is executed.
R/3
User Exit
This user exit is found
in R/3 under CMOD and contains additional programming that is needed to fill
field additions to extract structures. We can also create additional business
logic against data prior to its transfer to BW
BW
Transfer rules
These rules are invoked
as data is transferred from R/3 to BW, or from within BW as export data sources
and InfoSources are created.
BW
Update Rules
These rules are invoked
as data is being updated into data targets. Whether ODS Objects or InfoCubes,
each update results in the execution of an Update Rule.
BW
Start Routines
Start routines in BW
Update Rules are used to manage whole subsets of data. This is different than a
simple update rule in that update rules are data element specific.
About SAPVITS
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is prominent SAP Online Training Company in India, USA, and UK. This has 17+
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