SAP ABAP

Type of tables?
Ans: There are three thypes of tables exists in abap. They are-:
1. Transparent Tables.It maintains one to one relation with database tables.
2. Pooled tables and
It maintains many to one relation with database tables.
3. Cluster tables.It maintains many to one relation with database tables.
Events of module pool?
There are four events in mpp:They are
1. PBO: Process Before Output.
2. PAI: Process after Input.
3. POH: Process on help.
4. POV: Process on Value.
Events of interactive report?
Ans:
AT LINE-SELECTION.
AT USERCOMMAND.
AT PF.
TOP-OF-PAGE DURING LINE SELECTION.

Filters & idoc and segments?
ans: Filters are used in idocs to filter the data of segments.
Segment is the actual data which resides in the idoc.
Types of enhancements?
Two Types:
1. UserExits.
2. Badis.
Type of partner profile?
It is used to mention the logical system name of the remote system while transferring data through ALE or EDI.
What is RFC? What is its purpose?
RFC: It is a function module with remote enabled property. It is used to fetch the data from remote system to current system.
Steps of LSMW?
Ans: There are 14 steps in LSMW.
Types of BDC? How u proceed BDC(call transaction)without recording?
ans: Types of bdc are two types:
1. SESSION METHOD.
2. CALL TRANSACTION METHOD.
What is message type in idoc?
Ans: It specifies what kind of data is residing in IDOC.
Ex: MATMAS, DEBMAS,CREMAS.
What is a dialog program?
Ans: Dialog programming is nothing but module pool programming which is used to create screens or tansactions.
What is debugging? How do you proceed the steps in your reports?
Degugging is step by steps execution of a program.
It can be done by setting break points.
What are the parameters passed to fieldcatalog?
What are all the tools used for debugging and run time analysis?
For Debugging we can directly do it by setting break points.
Run time analysis means perofrmance tuning;
T-Code for runtime analysis is SE30.