frnd really i need ans of these question

1) what haap'nd if we handel the errors in at selection screen insted of start of selection?

2) what are the content of header in <at first (number)>?

3) can we wright BDC with session & transection method in same program?

4) what is the problem with std date conv'tion program if there is ?

5) in script how & where do you get data?

6) give me the exp. of one cust'ze table name with fields name & resioun to create it?

7) diff b/w call by valu & call by value And result?

8) how to read a perticuler field in intrective report?

9) how can we read cluster & poold table in report?