Answer / dev

presntation layer-for user gui

application layer-where all data processing is done

database layer-stored in databse

Answer / pradeep h s

Presentation Layer: Its just a GUI where user works. Where he can enter the command and view the results. What user views is called as Presentation layer
Application layer: The actual execution of the command is done in this layer. All commands given at presentation layer are passed to application layer where work processes will look after the execution.
Database layer: This is most bottom layer of SAP R/3. Extraction of data from the database and insertion of data into database is done at this layer.

Answer / anusha

3 Layers.
1.Presentation Layer
2.Application Layer
3.DataBase Layer

Answer / sarthak sarathi

presentation layer-for user GUI

application layer-where all data processing is done

database layer-stored in database

Answer / naresh

LAYERS OF DATA DESCRIPTION IN R/3 ARE 3 TYPES.

1. EXTERNAL LAYER.

2. ABAP/4 LAYER.

3. DATABASE LAYER.

EXTERNAL LAYER:- FOR USER PURPOSE FOR INTERACTING DATA.

ABAP/4 LAYER:- DESCRIBES THE DATA FORMATS USED BY THE ABAP/4
PROCESSOR.

DATABASE LAYER:- DESCRIBES THE DATA FORMATS USED IN THE
DATABASE.

how many types of windows are there in SMARTFORMS?not in scripts?

9 Answers   TCS,

what is the event while entering data in screen to get next field.

2 Answers  

What is the difference between the exits created in M.M and S&D?

0 Answers   CSC,

What are the disadvantages of using explicit enhancement?

0 Answers   Infosys,

what is difference b/w like and type statements?give example? when to use like and when to use type?

1 Answers  

A field-groups statement or an insert statement reverses storage space and transfers values. State true or false. : abap modularization

0 Answers  

What is the difference b/t Session method and call transaction method ??

1 Answers   Campus Interview, ERP Solutions,

What is a transport?

0 Answers  

Can you do enhancement in a table?

1 Answers  

What is the Process to transfer IDOC from Outbound System to Inbound system.

0 Answers  

Create a Function module that can be called from JAVA using JCo with an example.

1 Answers   SAP Labs,

What are the events driven batch jobs?

0 Answers