SAP R/3 ABAP Introduction

Systems Application Production Release / Three Tire Architecture

Leading ERP's -> Enterprise Resource Planning
Oracle Applications
Oracle Manufacturing
Oracle HRMS
Oracle Finance

High End ERP's -> MNC's.
For MNC's -> SAP R/3, Oracle Applications, People Soft.

Mid Range ERP's - > Small & Medium Scale Company's.
For Small & Medium Scale -> BOAN, RAMCO, JDEDWARDS

Languages Designed by ERP's

SAP R/3 -> ABAP
Oracle Applications -> SQL
People Soft -> People Code

ABAP -> Advanced Business Application Programming

SAP R/3 -> ABAP Language
In this we have 17000 predefined tables.
In this we have 1300 predefined applications.

ABAP Language functionality is
For Modifying predefined applications &
Creating new applications.

SAP R/3 -> BDC

Concept of BDC can transfer the data from Non-SAP to SAP using ABAP BDC.
BDC stands for Batch Data Conversation.

SAP R/3 -> Reports
ABAP Reports is for designing Reports under SAP R/3.
i.e., Extracting Data from data base.

SAP R/3 -> Scripts
ABAP Scripts Provides interface between SAP R/3 and Business Partners.

Prerequisites for SAP R/3
-----------> SQL Statements
-----------> Table Creation in Oracle
-----------> Object Oriented Concept

Hardware Profile
160 GB Hard Disk
1 GB RAM
PIV On Words
Installation Time 42 Hours

In SAP R/3 Leading & Successful Versions
-----------> 4.0 A
-----------> 4.0 B
-----------> 4.5 A
-----------> 4.5 B
-----------> 4.6 A
-----------> 4.6 B
-----------> 4.6 C &
-----------> 4.7 Also called as 4.7 EE (Enterprise Edition)

4.7 is the Latest version of SAP R/3.

In real time environment maximum implementations using 4.6C and 4.7.

Available software’s in SAP R/3
-----------> IDES
IDES is authorized institutes (For Institute Purpose).
IDES stands for International Demo Educational System.

-----------> Production Software
Production Software is for Organizations.

History of SAP R/3
SAP R/3 is the product of SAPAG (AG stands for LTD)

* SAPAG is a German based organization.
* SAP R/3 is released in 1992.
* SAP R/3 can work based on RDBMS.
* ABAP Language designed based on ' C ' Language.

Advantages of SAP R/3
* Platform independent.
* Even it’s a Database independent.

Under SAP R/3 Projects
--------> As an ABAP Programmer

1. Life Cycle Implementation
* Also called as End-To-End Implementation.
* Implementing SAP R/3, all new implementations are the part of "Life Cycle Implementation".

2. Upgradation
* Upgradation is upgrading version to version.
i.e., 4.0 A to 4.7

3. Support
* Support means modification in existing objects.

ABAP Methodology
Using this method we developed in SAP R/3.
Methods are
-------> Accelerator SAP
-------> SAP Solution Manager

SAP R/3 -> RFC

* RFC Stands for Remote Function Call.
* RFC Provides interface across SAP R/3 Systems.

SAP R/3 -> BAPI's

* BAPI's stands for Business Application Programming Interface's.
* It provides interface between SAP R/3 with Non-SAP front ends.

SAPAG
/ \
SAP R/3 New Dimensional
\
-> SAP-BI or BW (Business Warehousing Product)
-> SAP-Netweaver (Web Based)
-> ECC ( Enterprise Central Component)
7.0 is the latest version of ECC.