Enterprise resource planning – ERP – Refers to a s/w that organize and manage day to day business
activities.
Customer
Front office
Sales
Distributi
on
Quality
Database
SAP – Systems Application & Products in Data Processing
SAP R/3 – Real Time three tier
Presentation Layer
Application Layer
Database Layer
Presentatio
n Layer
Presentatio
n Layer
Presentatio
n Layer
Login
Dispatcher
D Queue
Database
WP – Work Process
Update Work Process
Dialog WP
Background WP
Spool WP
Enqueue WP
MS – Message Server
ICM – Internet Communication Manager
Tcode -> Entry point to enter and use a business process
SE38
MS
Gateway
System
WP

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ICM
SAP/Non
SAP
Command
Std tool bar
Menu
(tcod)
Application Tool bar
Material Management MM:
MARA – Material Master
MARC
MARM
MARD
MAKT
Sales and distribution
VBAK
VBAP
VBRK
VBRP
KNA1 – Customer Master Table
KNB1
KNVV
Vendor Master table – LFA1
LFB1
FI
BSEG
MSEG
BKPF
Purchase order
EKKO
EKPO
Naming Convention:
For standard SAP objects – A____ to X_____
Custom Object – Y_____ or Z_____
/o – it will open a new screen w/o closing the existing one
/n – will open new screen and close the current session
/nex – log off
Tcode:
SE11 – Data Dictionary
SE38 – ABAP Editor (Programs)
Landscapes:
DEV


QAS
Requirement is gathered reqno
Creating a transport request
Save the object -> in TR
Workbench – Development object
Customization – Functional
DEVK1254661 – Header
DEVK1228800 – CHILD
SE03/SE10/SE01
Create -> workbench request -> give desp -> save
PRD

Goto SE80 -> To create a package

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
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SE38 -> Give prg name click on create
ZSD_DEMO_PRG

Global Variable – available globally- gv
Local Variable - available within the particular block - lv