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?
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Message was edited by: Thomas Zloch