abap

1.What is the advantage of structures ?How du u use them in the Abap Pgms?

2.what are the exceptions in function module?

3.what transaction do use for data analysis ?

4.What are internaltables?How do u get the no of lines in an internal tables?How to use a specific no occur statement?

5.Sales no is 1 ,2 ,3 is there delivery no is 4 ,5,6 is there How to write select statement?