11. What are client dependant objects in abap/sap?

SAP Script layout, text element, and some DDIC objects.

12. On which even we can validate the input fields in module programs?

In PAI (Write field statement on field you want to validate, if you want to validate group of fields put in chain and End chain statement.)

13. In selection screen I have three fields, plant mat no and material group. If I input plant how do I get the mat no and material group based on plant dynamically?

AT SELECTION-SCREEN ON VALUE-REQUEST FOR MATERIAL. CALL FUNCTION ‘F4IF_INT_TABLE_VALUE_REQUEST’ to get material and material group for the plant.

14. How do you get output from IDOC?

Data in Idoc is stored in segments; the output from Idoc is obtained by reading the data stored in its respective segments.

15. When top of the page event is triggered?

After executing first write statement in start-of-selection event.

16. Can we create field without data element and how?

In SE11 one option is available above the fields strip. Data element/ direct type.

17. How do we debug sap script?

Go to SE71 give lay set name, go to utilities select debugger mode on.

18. Which transaction code can I used to analyze the performance of ABAP program?

T Code AL21.

19. How can I copy a standard table to make my own z table?

Go to transaction SE11. Then there is one option to copy table. Press that button. Enter the name of the standard table and in the Target table enter Z table name and press enter.

20. What is the use of ‘outer join’?

With the use of outer join you can join the tables even there is no entry in all the tables used in the view. In case of inner join there should be an entry in al the tables use in the view.