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Course Overview

1.Overview of Enhancements

2.Changing the SAP standard

3.Enhancements to Data dictionary

4.Enhancements to Customer Exits

5.Modifications

6.Business Transaction events

7.Business Add ins

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You can adjust the R/3 System to meet your needs in the following ways:

Customizing: This means setting up specific business processes and functions for

your system according to an implementation guide. The need for these changes has

already been foreseen by SAP and an implementation procedure has been

developed.

Personalization: This means making changes to certain fields' global display

attributes (setting default values or fading fields out altogether), as well as creating

user-specific menu sequences.

Modifications: These are changes to SAP Repository objects made at thecustomer site. If SAP delivers a changed version of the object, the customer's

system must be adjusted to reflect these changes. Prior to Release 4.0B these

adjustments had to be made manually using upgrade utilities.

From Release 4.5A, this procedure has been automated with the Modification

Assistant.

Enhancements: This means creating Repository objects for individual customersthat refer to objects that already exist in the SAP Repository.

Customer Developments: This means creating Repository objects unique to

individual customers in a specific namespace reserved for new customer objects.

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Why Enhancements?

Implications of changing SAP Standard code

1. Dependency of objects across modules.2. During upgrades changes to standard SAP

code are overwritten.

3. No support from SAP in event of issues

encountered from modified SAP code.

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You can enhance your system at the following levels:

1. In ABAP Dictionary tables or structures (table enhancement)

2. ABAP programs (function module exit)3. GUI interfaces (menu exit)

4. Screens by inserting a sub screen in an area specified by SAP

(screen exit)

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SAP provides two ways to enhance tables and structures

with fields.

1.Append Structures

2.Customizing includes ("CI includes")

Append structures allow you to attach fields to a table

without actually having to modify the table itself. An appendstructure can only belong to exactly one table.

In contrast, CI_includes allow you to use the same

structure in multiple tables. The include statement mustalready exist in the SAP table or structure.

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SAP Enhancements (SMOD)

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SAP Enhancements (SMOD)

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Modifications

What are Modifications

User Exits

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Modifications

Modifications:

These are changes to SAP Repository objects made at

the customer site. If SAP delivers a changed version of

the object, the customer's system must be adjusted to

reflect these changes. Prior to Release 4.0B theseadjustments had to be made manually using upgrade

utilities. From Release 4.5A, this procedure has been

automated with the Modification Assistant.

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Modifications

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Modifications

Modifications are changes to SAP objects incustomer systems. They are executed withthe help of user exits (these are subroutinesreserved for customers that have beeninserted in objects in the SAP namespace) eg: MV45AFZZ (for sales processes) 'hard-coded' at various points within SAP

Repository objects. Customer developmentsare programs developed by customers thatcan call SAP Repository objects.

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User Exits

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User Exit

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User Exit

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Personalization

You can adjust the SAP System to meet the work requirements of

specific users. When the system is started, the users are only offered

functions that they typically use in their daily work. There is no

unnecessary navigating through functions that are not used.

SHD0 Transaction and Screen Variants

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