Answer Posted / mahadeo d. kedari

Difference Between User Exit and Customer Exit in SAP:::
1)--User Exit is the include program.Where we need the access key to add the code.
-- Customer exit are the functions where we does not need access key to add the code
2)--User exit are the empty sub routines that SAP Provides,we can fill the code as per the requirement
--Customer exit are provided to the customer in the form of function module which holds the INCLUDE in the customer namespace
3)--The user exit affects the SAP Standards.
--The Customer exit does not affects SAP Standards
4)--A user exit is a three character code that instructs the system to access a program during system processing
--SAP creates customer exits for specific programs, screens, and menus within standard R/3 applications

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