Here below I have asked some interview question which is freaquently asked to me.
1. difference between Data and Type ?
2.Difference between parameter and select-option ?
3.Difference between ALE and IDOC ?
4.What are the transaction code for ALE and IDOC ?
5.For hiding input field what we use ?
6.How we add segment to IDOC ?
7.Difference between primary key and foreign key ?
8.to hide input field what we use ?
9.difference between data element and domain ?
10.fields of mara table ?