How many methods are there in BDC? Which methods you know well?
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Answer Posted / suryakanta senapati
In BDC,there are 3 methods.i.e;
1.Direct Input Method
2.Session Method
3.Call Transaction Method
Direct Input Method:It is used for transferring large
amount of data.It doesn't create sessions but stores the
data directly into the respective tables.It works by
calling number of function modules.If any error occurs then
it will restart the entire procedure and execute the direct
input programs in background only.
2.Session Method:It transfers data periodically.in real
time,this method is not applicable because it needs more
times in terms of hours may be in days.It is carried out by
3 function modules:BDC_OPEN_GROUP,BDC_INSERT &
BDC_CLOSE_GROUP.
3.Call Transaction Method:It transfers data only once at a
time but explicity handled if any errors are occured,It is
used in Real time by using these 3 function modules and
finally give the results by setting the updates & modes.
Updates:Asyncrhonous & Syncrhonous
Modes: A for Show Screen
N for No Screen
E for Error Screen
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