ABAP Basic doubts

[Former Member]

Hi Masters.

1. What is an external layer. What is the difference between Presentation layer and external layer.

2. What is ABAP/4 layer. What is the difference between ABAP/4 layer and Application layer.

3. What is Data Class and Size Category. How they are related to DDIC. Their types, if there are any.

4. What are control tables.

5. What is a table pool?

Moderator message: please search for information, no interview-questions.

Message was edited by: Thomas Zloch

[schneidertho]

Hi Hari,

have you tried to search for this information yourself? I am quite sure that you will find quite a lot of useful information in SCN, on help.sap.com etc.

Best regards

Thorsten