Answer / aditya

fonction group is where funtion modules are stored.
so function module could be said a sub-set of function-
group.

Answer / lavanya

Function group is groupping of related function modules
under one name.

Function modules are contained with in the function group.

Answer / kesavulu thumala

Function Group is a collection of Function Modules,Each Function module is created under function group.But without Function Group cannot create a function module.
 
  The Function Group Act as a Containers for Function modules that logically belong together.

   We creates Function Groups and Function Modules in the Abap workbench "Function Builder".

Answer / sumit

Don't give such stupid answers plz.

Answer / anjali

number of function modules can be defined under same function group.

Answer / srinivas kari

Function groups are containers for function modules. You cannot execute a function group. When you call a function module, the system loads the whole of its function group into the internal session of the calling program (if it has not already been loaded). For further information, refer to Organization of External Procedure Calls.
The following diagram shows the structure of a function group: The name of a function group, fgrpcan be up to 26 characters long. This is used by the system to create the components of the group (main program and corresponding include programs). When you create a function group or function module in the Function Builder , the main program and include programs are generated automatically.
This graphic is explained in the accompanying text
The main program SAPLfgrp contains nothing but the INCLUDE statements for the following include programs:
· LfgrpTOP. This contains the FUNCTION-POOL statement (equivalent for a function group of the REPORT or PROGRAMstatement) and global data declarations for the entire function group.
· LfgrpUXX. This contains further INCLUDEstatements for the include programs LfgrpU01, LfgrpU02,... These includes contain the actual function modules.
· The include programs LfgrpF01, LfgrpF02,... can contain the coding of subroutines that can be called with internal subroutine calls from all function modules of the group.
The creation of these INCLUDE programs is supported from the ABAP Workbench by forward navigation (for example creation of a subroutine include by double clicking on the name of a subroutine in a PERFORM statement within a function module).
You cannot declare a COMMON PART in a function group. Function groups have their own table work areas (TABLES). Function groups encapsulate data. In this respect, they are a precursor of ABAP Objects (see From Function Groups to Objects ).
All of the function modules in a function group can access the global data of the group. For this reason, you should place all function modules that use the same data in a single function group. For example, if you have a set of function modules that all use the same internal table, you could place them in a function group containing the table definition in its global data.
Function groups, like executable programs and module pools, can contain screens (selection screens and lists) as components. User input is processed either in dialog modules or in the corresponding event blocks in the main program of the function group. There are special include programs in which you can write this code. In this way, you can use function groups to encapsulate single screens or screen sequences.

Answer / hasan

Please If you are Hping Spoon Feeding here Than Plz dont Post.
Go And search your own.

Answer / mahender achhe

Function group can be defined it as collection of Function
modules. This Function groups are presents in the Packages
where we can create in the SE38. So,that all packages are
consists in the Function Groups.All function groups are
consists Function Modules.This function modules are created
at enhancements/Exists. These are 4 types i.e are

1.Menu Exist
2.Screen Exist
3.Field Exist
4.Function Exist

The above are created at Customizing the screens with
menus,screens and fields.

If the screen is having the customization or not? for that
we are using press F1 button and click on the Technical
Information button. So, that we can identify the
Customization field has "+PGE" code. If it is present we
can do the menu exist.

If this case we can have "Function Exist" and "Menu Exist"
is done.

Some of them does't have Menu,Screen,Field.So, in this case
only one "Function Exist" done.(Means only we can write the
program).


All the best my well wishers..............
Mahender.Achhe

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