SAP ABAP FAQ (Technical)

DATA DICTIONARY

1.What is data Dictionary ?

2.What is the difference between open sql & native sql ?

3.Difference between Pooled, cluster & transparent tables?

4. What is Primary key, foreign key ? what is primary index?
secondary index?

5.How many indexes can be created for a table?

6. what is a value table?

7. what are the components of a table?8. what is a domain?

9.what is a data element?

10.what is data class?

11.can you create a table with out a data element?

12. can you create a field with out a data element?

13.What approach you prefer for creating a table?14.Give few names of cluster tables in sap?

15.Give few names of pooled tables in sap?

16.give few names of transparent tables?

17.what is a buffer and how many types?

18.what is table maintenance generator and how to create
that? What is the transaction code?

19.How to add new fields to a standard sap table ?

20.How many types of table joins are there?

21.Difference between inner join & outer join?

22. Difference between "select * from mara" and "select
single * from mara"?

23.what is a match code ? Lock objects ?

24.what are views?

25. what are logical tables/database?
26. what is the difference between table and a structure?