Set - 1

Question 11 :

What is a batch input session?

Answer :

BATCH INPUT SESSION is an intermediate step between internal table and database table. Data along with the action is stored in session ie data for screen fields, to which screen it is passed, program name behind it, and how next screen is processed.

Question 12 :

What is the advantage of structures? How do you use them in the ABAP programs?

Answer :

Adv:- GLOBAL EXISTANCE(these could be used by any other program without creating it again).

Question 13 :

How many types of tables exists and what are they in data dictionary?

Answer :

4 types of tables
i)Transparent tables - Exists with the same structure both in dictionary as well as in database exactly with the same data and fields. Both Opensql and Nativesql can be used. ii)Pool tables &
iii)Cluster tables - These are logical tables that are arranged as records of transparent tables. one cannot use native sql on these tables (only open sql).They are not managable directly using database system tools.
iv)Internal tables - .?