1 sap r3
-
Upload
bhargav-darapareddy -
Category
Technology
-
view
295 -
download
2
Transcript of 1 sap r3
![Page 1: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/1.jpg)
April 12, 2023 1
Training On ABAP/4
By Pothuri Vinod Krishna
![Page 2: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/2.jpg)
April 12, 2023 2
Introduction to SAP R/3
• SAP Pronounce as ESSAYPEE . Never pronounce as sap of a tree.
• Systems, Applications andProducts in Data Processing.
• R Real Time
• 3 3 Tier Architecture
![Page 3: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/3.jpg)
April 12, 2023 3
What is SAP R/3 ?
It is one of the ERP systems.
![Page 4: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/4.jpg)
April 12, 2023 4
What is ERP ?
Enterprise Resource Planning
![Page 5: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/5.jpg)
April 12, 2023 5
Main Aim of SAP R/3
SAP R/3 is mainly aimed at Business Applications like Finance, S&D, MM etc.,
Over 20,000 companies rely on this SAP R/3 system.
![Page 6: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/6.jpg)
April 12, 2023 6
These Companies include:
• Oil & Gas
• Transport
• Insurance
• Pharma
• Banking &
• Telecommunications etc.,
![Page 7: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/7.jpg)
April 12, 2023 7
Hardware Vendors:
• IBM
• Compaq
• Bull
• AT&T
• Sun etc.,
![Page 8: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/8.jpg)
April 12, 2023 8
Major Implementators:
• Price water House & Coopers
• Anderson Consulting
• Ernst & Young
• KPMG
• Deloitte & Touche etc.,
![Page 9: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/9.jpg)
April 12, 2023 9
History
Company : SAP AG
When : 1972
Where : Walldorf, Germany
By Whom : 4 former IBM employees.
R/3 Introduction : 1992
position in 1995(ISV) : 5
![Page 10: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/10.jpg)
April 12, 2023 10
SAP Products
• R/2 System
• R/3 System
![Page 11: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/11.jpg)
April 12, 2023 11
R/2 System
• It is a main frame system compatible to IBM, Siemens etc.,
• Data intensive and big centralised Industries.• It is not open system.
(It can not communicate with other systems. But with the help of ALE it can be linked to R/3 and can be made open system)
![Page 12: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/12.jpg)
April 12, 2023 12
R/3 system
• Client server system
• Multi Lingual
• It can be easily customized based on country’s needs.
• It has OSS (Online Support System)
• It has other services like Information service and Maintenance service.
• It has Preventive service (early watch serv.)
![Page 13: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/13.jpg)
April 12, 2023 13
SAP R/3 Architecture
Presenta ionServer
P resenta tionServer
P resenta tionServer
App lica tionServer
P resenta tionServer
P resenta ionServer
App lica tionServer
P resenta tionServer
App lica tionServer
DatabaseServer
![Page 14: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/14.jpg)
April 12, 2023 14
SAP R/3 Architecture contd.
Database Server : Stores Database.
Application Server : Contains Software for Running the
Application Logic.
Presentation Server : Graphical User Interface
![Page 15: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/15.jpg)
April 12, 2023 15
SAP R/3 Architecture contd.
The advantage of having 3 tier or 3 layered Architecture is to reduce traffic on the Database Server.
![Page 16: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/16.jpg)
April 12, 2023 16
SAP R/3 Architecture contd.
Based on the required degree of distribution, you can combine two servers or all three servers in the same machine (Stand alone).
![Page 17: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/17.jpg)
April 12, 2023 17
SAP R/3 Structure
• Application Layer for Standard and new applications.
• Middle ware Layer also called as R/3 Basis (will be discussed later)
• Operating System, DatabaseO.S Database GUI Protocols
NT Oracle Win 3.1 TCP/IP
Unix Ingress NT,95 CPC
AS/400 Informix,DB/2
![Page 18: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/18.jpg)
April 12, 2023 18
Components of M.W.Layer
• ABAP/4 Development Workbench
• Database Interface
• GUI etc.,
![Page 19: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/19.jpg)
April 12, 2023 19
ABAP/4 Dev Workbench
It contain different tools for development of ABAP/4 objects, checking and analysing programs and finally transportation of objects. 1) ABAP/4 Language 2) Data modeler
3) Object browser 4) Repository
5) Test & Analysing tools
6) The Query and 7) Work Bench Organizer
![Page 20: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/20.jpg)
April 12, 2023 20
ABAP/4 Language
It is the Central part of Middle ware layer that eliminates dependencies from Hardware, Operating Systems or database management systems.
![Page 21: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/21.jpg)
April 12, 2023 21
Data Modeler
Relation ship between the tables are stored in the form of ER diagrams.
(ER = Entity Relationship)
![Page 22: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/22.jpg)
April 12, 2023 22
Object Browser
Hirarcheal representation of Programs, Screens, Menus, Transactions, Tables etc.,
![Page 23: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/23.jpg)
April 12, 2023 23
Repository
The ABAP/4 Repository is made up of following Runtime Objects.
• Programs
• Screens and
• Dictionary
Dictionary contains Metadata. Metadata is nothing but description of data and definitions.
![Page 24: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/24.jpg)
April 12, 2023 24
Test & Analysing Tools
For testing and analysing performance of Programs and Transactions.
![Page 25: 1 sap r3](https://reader036.fdocuments.us/reader036/viewer/2022062312/555edd4fd8b42a772f8b526d/html5/thumbnails/25.jpg)
April 12, 2023 25
Work Bench Organizer
Transportation of Objects between the systems.