SAP ABAP DATA DICTIONARY FAQ

Dear Friends, We have listed the important and commonly asked interview questions in this page. These questions under are gathered from many candidates who have appeared SAP interviews. We have divided the faq in two different categories namely ABAP FAQ & REAL time faq. First category covers questions that you can get answers from your faculty or text book. The second category covers all real time questions that are being asked in interviews. We are sure if you can cover these 2 categories, you are through 70% of your interview. We did not give answers to the questions because we want you should spend some time to find out the answers. That shows how serious you are for a job? If we give answers here, it does't really help you much, you will simply read and forget, but if you spend some time to find answers, you will not forget and will come to know many other things..Good Luck...

SAP ABAP FAQ (Technical):

Data Dictonary:

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 bet'n table and a structure?