Part 8 : SAP ABAP Interview Questions and Answers

Aired Consulting 6/21/2010 No Comment
SAP ABAP Interview Questions and Answers,SAP ABAP Interview Question asked in top companies like Infosys,Wipro,TCS,HCL ,IBM,HP.

What is the syntax of Packed Number?

Ans Data : NUM type P decimals 2.

What are different types of attributes of Function Module?
Ans There are 6 attributes of FM:
1. Import
2. Export
3. Table
4. Changing
5. Source
6. Exception

List of Screen elements.
Ans There are 13 screen elements:

i. Input / output fields
ii. Text fields
iii. Checkbox
iv. Radio button
v. Push Button
vi. Drop down list
vii. Subscreen
viii. Table control
ix. Tabstrip control
x. Custom control
xi. Box
xii. Status icons
xiii. OK_CODE fields

How many default Tab Strips are there? How to insert more Tabs in it?
Ans There 2 default Tab strips. Screen painter attributes contain Tab Title, which is used to insert more tabs in tab strip.

How to define Selection Screen?
Ans There are 3 ways of defining selection screen:

1. Parameters
2. Select-options
3. Selection-Screen

What are the properties of Selection Screen?
Ans There are 11 properties of selection screen:

1) Default
2) Memory ID
3) Lowercase
4) Visible length
5) Obligatory
6) Matchcode
7) Check
8) Checkbox
9) Radiobutton Group
10) No-display
11) Modif ID

What are the components of Selection Table?
Ans There are four components of selection table:

Low, High, Sign, Options

How to display or know if the value entered contains records or not?
Ans SY-SUBRC

What are the sequences of event block?
Ans
i. Reports
ii. Nodes
iii. Data
iv. Initialization
v. At selection-screen
vi. Start-of-selection
vii. Get deptt
viii. Get emp
ix. Get deptt late
x. End-of-selection
xi. Form
xii. Endform

What are types of Select statements?
Ans SELECT SINGLE ... WHERE ...
SELECT [DISTINCT] ... WHERE ...
SELECT * ...

What are DML commands?
Ans Select, Insert, Delete, Modify, Update.

What is Asynchronous and Synchronous Update?
Ans Asynchronous Update – The program does not wait for the work process to finish the
update. Commit Work.

Synchronous Update – The program wait for the work process to finish the update.
Commit Work and Wait.

Write syntax for Message Error (Report)?
Ans AT SELECTION-SCREEN.

SELECT * FROM ZREKHA_DEPTT INTO CORRESPONDING FIELDS OF ITAB
WHERE DEPTNO IN DEPTNO.
ENDSELECT.

If SY-DBCNT = 0.
MESSAGE E000 WITH ‘NO RECORDS FOUND’.
ENDIF.

How to see the list of all created session?
Ans There are two method to see all sessions:

1) SHDB (Recording)
2) Write code in SE38 then save, check errors activate and execute it.

System
Service
Batch input
Session

What are the function module in BDC?
Ans There are three function module in BDC:

1) BDC_OPEN_GROUP
2) BDC_INSERT
3) BDC_CLOSE_GROUP

Write the steps to execute session method.
Ans Steps for execution Session Method:

1) System
2) Service
3) Batch Input
4) Session
5) Choose Session Name
6) Process
7) Asks for Mode (Display All Screen, Display Errors & Background)
8) Process

What are the different types of mode (run code) in Call Transaction method?
There are three modes in Call Transaction:

A – Displays All Screen
E – Display Errors
N – Background Processing

Write the transaction code of Customer Master Data, Pricing, Inquiry, Quotation and Sales Order.
Ans Customer Master Data - XD01
Pricing -
Inquiry - VA11
Quotation - VA21
Sales Order - VA01
- MM01

What are the fields of Sales Order?
Ans Transaction Code of Sales Order: VA01
Table of Sales Order: VBAK

Order Type - AUART
Sales Org – VKORG
Dist Channel – VTWEG
Division – SPART
Sales Office - VKBUR
Sales Group - VKGRP

What are different types of screen keywords?
Ans There are four types of screen keywords: Module, Loop, Chain and Field.

Write special commands of List.
Ans There are four specials commands of lists: Write, Uline, Skip and New-Page

Write the following in different manner.

IF ( A GE B ) AND ( A LE C)

Ans IF A BETWEEN B AND C

What are the different types of ABAP statements?
Ans There are six types of ABAP statements:

1) Declarative - Types, Data, Tables
2) Modularization - Event Keywords and Defining Keywords
3) Control - If…Else, While, Case
4) Call - Perform, Call, Set User Command, Submit, Leave to
5) Operational - Write, Add, Move
6) Database - Open SQL & Native SQL

How data is stored in cluster table?
Ans Each field of cluster table behaves as tables, which contains the number of entries.

What are client dependant objects in ABAP / SAP?
Ans SAP Script layout, text element, and some DDIC objects.

On which event we can validate the input fields in module programs?
Ans In PAI (Write field statement on field you want to validate, if you want to validate group of fields put in chain and End chain statement.)

In selection screen, I have three fields, plant material number and material group. If I input plant how do I get the material number and material group based on plant dynamically?
Ans AT SELECTION-SCREEN ON VALUE-REQUEST FOR MATERIAL.
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
to get material and material group for the plant.

How do you get output from IDOC?
Ans Data in IDOC is stored in segments; the output from IDOC is obtained by reading the data stored in its respective segments.

When top of the page event is triggered?
Ans After executing first write statement in start-of-selection event.

Can we create field without data element and how?
Ans In SE11, one option is available above the fields strip i.e. Data element / direct type.

Fields of VBAK Table.
Ans VBAK – Sales Document : Header Data

Details about Sales Organization, Distribution Channel, Division, Sales Group, Sales Office, Business Area, Outline Agreements, etc

Which transaction code can I used to analyze the performance of ABAP program.
Ans Transaction Code AL21.

How can I copy a standard table to make my own Z_TABLE?
Ans Go to transaction SE11. Then there is one option to copy table. Press that button. Enter the name of the standard table and in the Target table enter Z_table name and press enter.

What is runtime analysis? Have you used this?
Ans It checks program execution time in microseconds. When you go to SE30. If you give desired program name in performance file. It will take you to below screen. You can get how much fast is your program.

What is meant by performance analysis?

How to transfer the objects? Have you transferred any objects?

How did you test the developed objects?
Ans There are two types of testing
- Negative testing
- Positive testing

In negative testing, we will give negative data in input and we check any errors occurs.
In positive testing, we will give positive data in input for checking errors.

How did you handle errors in Call Transaction?
Ans We can create an internal table like 'bsgmcgcoll'. All the messages will go to internal table. We can get errors in this internal table.

Below messages are go to internal table. When you run the call transaction.

1) TCODE
2) Message Type
3) Message Id
4) Message Number
5) MSGV1
6) MSGV2
7) MSGV3
8) MSGV4

CALL TRANSACTION TCODE USING BDCDATA MODE A/N/E.

UPDATE MODE A/S MESSAGE INTO BDCDATA.

THEN PUT LOOP…ENDLOOP OF BDCMSGCOLL
CALL FUNCTION ‘FORMAT_WRITE’

EXPORT = SYSTEM FIELD
IMPORT = MSG TEXT ERROR

Among the Call Transaction and Session Method, which is faster?
Ans Call transaction is faster then session method. But usually we use session method in real time...because we can transfer large amount of data from internal table to database and if any errors in a session, then process will not complete until session get correct.

What are the difference between Interactive and Drill Down Reports?
Ans ABAP/4 provides some interactive events on lists such as AT LINE-SELECTION (double click) or AT USER-COMMAND (pressing a button). You can use these events to move through layers of information about individual items in a list.

Drill down report is nothing but interactive report...drilldown means above paragraph only.

How to pass the variables to forms?

What is the table, which contain the details of all the name of the programs and forms?
Ans Table contains vertical and horizontal lines. We can store the data in table as blocks. We can scroll depends upon your wish. And these all are stored in database (data dictionary).

What are Standard Texts?

What is the difference between Clustered Tables and Pooled Tables?
Ans A pooled table is used to combine several logical tables in the ABAP/4 dictionary. Pooled tables are logical tables that must be assigned to a table pool when they are defined.

Cluster table are logical tables that must be assigned to a table cluster when they are defined. Cluster table can be used to store control data. They can also used to store temporary data or text such as documentation.

What is PF-STATUS?
Ans PF-Status is used in interactive report for enhancing the functionality. If we go to SE41, we can get menus, items and different function keys, which we are using for secondary list in interactive report.

Among "Move" and "Move Corresponding", which is efficient one?
Ans I guess, 'move corresponding' is very efficient then 'move' statement. Because usually we use this statement for internal table fields only...so if we give move corresponding. Those fields only moving to other place (what ever you want).

What are the Output Type, Transaction codes, Page Format?

Where we use Chain and End chain?
Ans In Screen Programming

Do you use select statement in loop…end loop, how will be the performance? To improve the performance?

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