Answer / p.lokesh

In Batch Data Communication we have Call transaction and
Session method[Batch input session].

Depend upon the requirement we choose these methods.
Suppose if u need to upload data at once and need
asynchronous updation and we need to log the errors
explictly then we go for Call Transaction.

Suppose if u need to upload the data regularly batch wise
and need synchronous updation and automatically log the
errors [Implicitly] then we go for Session Method.

Answer / 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

Answer / giri

SESSION,
CALLTRANSACTION METHOD.

Answer / girish

BDC -> BATCH DATA COMMUNICATION.
Direct Input method, Batch Input Session method, Call transaction method.

Answer / abdul

manoj beta if u don't know the answer u don't give na

Answer / sunil b

There are 3 methods
1) call dialog method
2) call transaction method
3) session method

if u want to handle multiple transactions simultensouly
then we should go for session method

Answer / muddassir zafar

there are three methods
a)call dialog mehtod
b)call transaction method
c)session method

Answer / manoj kumar

totaly seven methods
call trsnsaction
session
direct input
bapi
lsmw
module pool
function module
idoc
i had se above 5 methods

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