badi stands for business addin's.it is enhancement of sap
enhancement(i.e.,screen exit,user exit etc).
se18: to define badi
se19: to implement badi
topics in badi are
screen enhancement,menu enhancement,field enhancement &
badi is the new enhancement technical based on abap object
Orientation.Badi definitions are acts as interfaces means
Badi definition have the no of methods but there is
implimentation. if u want to implement the Badi definition
goto se19. here we can enhance menu, screen and custom exit
also same as customer exist in procedural oriented. if u
want to create new badi definition go to se18.
BADI is a new enhancement technique based on ABAP objects.
BADI definition consists of a number of methods, which can
be implemented based on the requirement. BADI's can have
multiple implementation, unlike user exits.
How many servers present for Database servers,Presentation
and Application servers in Landscape? All these servers are
present at client side or company side,means where the
Database server is Located, where the Application and
Presentation servers Located in a Landscape?