Hi i have some doughts in sap-abap realtime plz clarify my doughts

Question

Hi all,
Which client number you use for the current
project?
You are running a report. It is taking long time for
execution. What steps will you do to reduce the
execution time.
After running a BDC program in background, next
day morning when you see the results, few records
are not updated(error records). What will you do
then?
You are given functional specs for a BDC program
and you need to decide whether to write a method
call transaction or a session. How u will decide?
What is the difference between report and script?
what are the differences between scripts & smart
forms?
what are enhancements?
what are user-exits?
what is badi?
what is the difference between user-exit & BADIs?
what is the difference between user-exit &
customer-exit?
how do you get functional specs  when you are
assigned some object? (specs through email..??)
How do you write technical specs?
How do you write UTP?(unit test plan)

Answer 1

Which client number you use for the current
project?
CLIENT NUMBER ALLWAYS VARIES. USUALLY 300/800.
You are running a report. It is taking long time for
execution. What steps will you do to reduce the
execution time.
THERE ARE SO MANY PERFORMANCE ISSUES TO UPGRADE THE REPORTS. LIKE SQL TRACE ETC...
After running a BDC program in background, next
day morning when you see the results, few records
are not updated(error records). What will you do
then?
THE ERROR LOG WILL BE CREATED IN THE DATABASE. WE NEED TO ANALYSE THE ERRORS . THEN, IF THE ERRORS ARE OF SAME KIND, MODIFY THE PROGRAM AS FOR ERROR ANALYSIS AND RUN THE PROGRAM AGAIN. IF ERRORS ARE OF DIFFERENT TYPES. U NEED TO UPDATE MANUALLY.
You are given functional specs for a BDC program
and you need to decide whether to write a method
call transaction or a session. How u will decide?
USUALLY THE METHOD OF BDC COMES IN THE FUNCTIONAL SPECS ITSELF.
What is the difference between report and script?
USING THE REPORTS WE CANT CHANGE FONTS AND FORMAS. LOGOS CANT BE DISPLAYED. WE CANT ENTER THE DATA IN THE PRE-PRINTED STATIONARY. DUPLEX PRINTING NOT POSSIBLE WITH REPORTS. HEADER AND FOOTERS CANT BE INCLUDED. CANT CHANGE THE LANGUAGE.
bUT ALL THESE CAN BE POSSIBLE THRU SCRIPTS.
what are the differences between scripts & smart
forms?
SMARTFORMS ARE UPDATED VERSIONS. AND USERFRIENDLY.
what are enhancements?
SAP IS OF A PACKAGE OF WITH MANY EXISTING OBJECTS. MOST OF THE TIMES WE USE THE EXISTING OBJECTS AND MODIFY THEM AS PER REQUIREMENT AND USE. SOMETIMES SOME OBJECTS CAN NOT OFFER THE REQUIRED FUNCTIONALITY. THEN USING THE ENHANCEMENTS WE CAN ADD OUR OWN FUNCTIONALITY TO THE OBJECTS.
what are user-exits?
ALMOST SIMILAR TO ENHANCEMENTS.
what is badi?
BUSINESS ADD INS(BADI'S) ARE THE ADVANCED CONCEPTS OF ENHANCEMENTS. THESE ARE ASSOCIATED WITH OOPS CONCEPTS.
SE18 AND SE19 ARE THE TCODES FOR BADI CREATION AND IMPLEMENTATION.
what is the difference between user-exit & BADIs?
BADI'S ARE ADVANCED.
what is the difference between user-exit &
customer-exit?
CUSTOMER EXIT IS A PART OF USER EXIT.
how do you get functional specs when you are
assigned some object? (specs through email..??)
DEPENDS ON THE COMPANY. USUALLY WE GET A ID OF THE SPEC THRU MAIL. USING THAT ID WE GET THE FUNCTIONAL SPEC IN THE CLIENT'S SITE. THERE WILL BE AN OPTION TO SEARCH THE OBJECTS THRU ID.
How do you write technical specs?
IT IS LIKE PSUDO CODE DEVELOPED BEFORE GOING TO THE CODING. U CAN COMPARE IT LIKE FLOW CHART.
How do you write UTP?(unit test plan)
UNIT TEST PLAN IS A CONCEPT OF CHECKING LIKE WHETHER WE R GETTING THE DESIRED OUTPUT FOR THE SPECIFIED INPUT OR NOT. NOTHING ELSE.
HOPE IT HELPS.
ALL THE BEST FOR UR INTERVIEW.
CHEERS.