SAP Reports Interview Questions

A table is bufferd. By select statement I don't want to get the data from table buffer. I want to get thae data from database. How?
If buffering is allowed for a table in the ABAP Dictionary, the SELECT statement always reads the data from the buffer in the database interface of the current application server. To read data directly from the database table instead of from the buffer, use the following:
This addition guarantees that the data you read is the most up to date. However, as a rule, only data that does not change frequently should be buffered, and using the buffer where appropriate improves performance. You should therefore only use this option where really necessary.

What are user exits? What are customer exits?
User exits and customer exits are the same thing.
Both are used to give the customer the chance to influence the outcome of a process(-step) in some way, without having to change the standard SAP software. For example: if an order is entered in the system, availability checks, credit checks etc. could be performed by the system but just before writing the order to the database, the program runs a user exit. In this user exit, your code could change some fields in the order or write an entry in a table that you created for some reason.

What is the difference between start_form and open_form in scripts? Why is it necessary to close a form always once it is opened?
strat_form using this we can open many layoutses
open_form using this we can open the layout
performance will be high

Open_form -- is used to initialize the spool request.
Start_form-- is used to initialize the layout.

What is diffrence between ON Change of and At New Field ?
Select Single * from and select Upto 1 rows
At new - on change of diffrence: In case if you want calculate sub totals for same values in a field you can use the atnew
For example in a table sflight, there are 2 fields carrid ( airline id) and seatsmax( seat available). In case if you want calculate the total number of seats available for each carrrid you can sort the table first and using the atnew and sum you can claculate the total seats for each carrid. Atnew will be triggered whenever there is a change in the carrid and the total seats will be returned for each carrid.
In the same scenario if you use onchange of it will not return the total seats for each carrid, instead it will return the total seat count for the entire table( ie: for all the carrids in the table. Another diffrence is atnew can be used only between loop and end loop whereas on change of can also be used in select- endselect , do -enddo. Another diffrence is while using atnew in case if you code any write statements between atnew and end at the value for the numeric fields will be returned as 0 and that of no numeric fields will be returned as *(asteriks). But in on change of the orginal values will be returned. Select single * and select upto 1 row diffrence.
The select single * from stmt selects only one row form the database table and puts it in to the work area(internal table). The select upto n(where n stands for a integer number) rows stmt selects all the rows from the database table but writes only the specified number of rows specified by the n into the internal table. If its given as upto 1 rows only 1 row is written in to the internal table.

When you create sales report, What you can see in that report ? What are those field names or data element names?
vbak-auart, "ORDER TYPE
vbak-audat, "DOCUMENT DATE
vbak-kunnr, "CUSTOMER
vbak-submi, "collective no
vbrp-posnr, "ITEM
vbrp-matnr, "MATERIAL NUMBER
vbrp-arktx, "DESCRIPTION
vbrp-fkimg, "ORDER QTY
vbrp-vkbur, "SALESOFFICE
vbrp-aubel, "SALES DOCUMENT
vbrk-netwr, "NETPRICE
vbrk-vbeln, "BILLINGDOCNO
vbrk-knumv, "DOC.CONDITION
kna1-name1, "CUSTOMERNAME
vbrp-werks, "PLANT
vbrk-kunrg, "PAYER
kna1-name1, "PAYER NAME
vbpa-kunnr, "EMPLOYEENO
vbrk-netwr, "DISCOUNT
vbrk-fkart, "billing type
vbrk-netwr, "CST
konv-kbetr, "CST PER
vbrk-netwr, "LST
konv-kbetr, "LST PER
vbrk-netwr, "ED
konv-kbetr, "ED PER
vbrk-netwr, "Ecs
konv-kbetr, "Ecs PER
vbrk-netwr, "SURCHARGE
vbrk-fkdat, "BILLINGDATE
kna1-name1, "EMPLOYEENAME
vbak-bstdk, "PODATE
likp-bolnr, "Bill Of Lading
likp-traty, "Means of Transport Type
likp-traid, "Means of Transport ID
vbpa-kunnr, "Bill To Party
kna1-name1, "Bill To Party Name
vbrk-netwr, "Net Amount Basic Amount - Discount

How to assign multiple transaction codes in a session method to BDC_Insert function module?
Call function ' BDC_Insert'
tr. code = ' enter tr.code1 here'
table = 'give an internal table related totr.code1 here'
call function 'BDC_INSERT'
tr.code = ' enter 2nd tr code'
tables = ' 2nd internal table'

“Check” and “Continue”. What is the difference?
Check statement, checks the condition with in a loop and if it satisfies the condition, the control moves to next statement in the loop. Otherwise, it terminates the loop.
Continue statement, acts like goto statement. If the condition is true, it processes the remaining statements and if the condition is false, then the control moves to the top of loop.

At-Line selection, At user-command etc..,
In at line-selection system defined fcode will be generated In at user-command we need to define the fcode and fkey manually then only it will triggers.

“Exit” and “Stop”. What is the difference?
exit statments is exit the current loop. and moving to next loop but stop statement move to end of selection. it's not check all other loops.

What is the reserve command?
Reverse Command :Reverse N Lines : if there is not enough space left on the current page for atleast n lines it starts a new page

If insufficient space is there for listing output reserve statement encounters NEW-PAGE.But before going to new page it processes END-OF-PAGE.

What are event keywords in reports?
Events keywords in Reports are
For Classical Reports,
2. At line-selection
3. Start-of-selection
5. At user-command
7. End-of-page
8.At Pfn
For Interactive Reports,
9.At line-selection 10. Top-of-page during line selection
For LDB (Logical DataBase) Reports,
10. get 11.put 12. get table

1. Initialization
2. At line-selection
3. Start-of-selection
5. Top-of -page during at line-selection
6. At PF
7. At user-command
9. End-of-page

How can validate input values in selection screen and which event was fired?
We can Validate Selection Screen With the Help of the Following Events, the Event Follows the Same hierachy.

At selection-screen on
select stmt ------------------ where = .
if sy-subrc = 0.
validation success for LOw value in selection screen
At selection-screen on
select stmt-------------------- where =
if sy-subrc <> 0.
validation failure on high value in the selection field.

BDC Transaction code?
Transaction code for bdc :SHDB

How to navigate basic list to secondary list?
We can Navigate from basic list to secondary list with the help the event called AT LINE-SELECTION. for every Secondary List the System Field SY-LSIND increases by 1. So there will be Totally 21 list possible in SAP.
One Basic List 20 Secondary List.

Which is the First character of creating LockObject?
LockObjects always starts with character 'E'.

What is the Difference between Data Element and Domain?
Domain: Defines the attributes such as length,type and possible value range.
Data element; An intermediate object between domain and table type

Domain : technical attributes of dataelement is called domain.
Dataelement : Symantic attributes are called dataelement.

How many types of standard SAP Internal Tables?
1)standered table
2)index table
3)hashed table
4)sorted table

What is the Difference Between Tablecontrols and Step Loops?
Table controls have both horizontal and vertical scrollers and cursor control logic is designed implicitly.
Step loops have only horizontal scrollers and cursor control logic is to be designed by the user explicitly.

What are the Events in Dialog Programs?
Events in Dialog Programming are:
PBO-Process Before Output
PAI-Process AFter Input
POH-Process on Help Request
POV-Process on Value Request

How many ways you can create Table?
User can create a Database table in two ways.
1.Top-to-bottom approach: In this approach, first fields are defined and later domain and data element are defined.
2.Bottom-to-top approach: In this approach, first domain and data element are defined and later fields are defined.

What are the Cluster Tables?
Cluster tables contain continuous text, for example, documentation. Several cluster tables can be combined to form a table cluster. Several logical lines of different tables are combined to form a physical record in this table type. This permits object-by-object storage or object-by-object access. In order to combine tables in clusters, at least parts of the keys must agree. Several cluster tables are stored in one corresponding table on the database.

What are function modules in LDB?
Function modules in LDB's are

What are Difference Between Classical Batch Input and Call Transaction?
In Batch input many transactions can be executed, where as in Call transcation only one transactioin can be executed.
BI is a background process, Ct can be either background or foreground .
BI is Synchronous process, Ct is both Asynchronous & Synchronous.
BI Sessions cannot be runed parallel.
Log file is generated automaticly in BI, errors can be found through BDCMSGCOLL.

1.batch input works for multiple applications where as call transactions doen't work
2.batch input has an implicit log file with it. where as call transaction doesn't have
3.batch input has sy-subrc check with the database where as call transaction doesn't have so call transaction is fast.

How can you call the Sessions?
using transaction code SM35

Can you call Report in SAP Script?
Yes, we can.
Just write in Line editor:
/:perform f_display_report

How to Upload Logo to Layout Set and what is Program Name?
You can also upload a Logo in BMP format - it has to be saved as "%^ Colours if it is a colour Bitmap.
If you don't save a colour Bitmap as 256 Colours then it will be uploaded in Black.
This can be done in Smart Forms, SAPScript or Transaction SE78

What are the SET Parameter and GET Parameter?
To use parameter IDs, you need to “set” (store) values in the global memory area and then “get” (retrieve) values from this parameter ID memory area. §IIn the case of an online program, you will “set” values from screen fields and you will “get” these values for screen fields. §YYou can perform this “set/get” function two ways: § Use the ABAP statements “SET PARAMETER ID” and “GET PARAMETER ID”. § Use the field attributes “SPA” and “GPA” . §RRemember that parameter IDs can only be used with ABAP Dictionary fields because parameter IDs are linked to data elements. The appropriate data elements must have a parameter IDs for this “set/get” function to work.

What are Text Elements?
Text elements makes program easier to maintain program texts in different languages.
These are used for maintainig list headers,selectiontexts in programs

What is an Interactive Report?
An Interactive report allows the user to participate in retrieving and present data at each level.while classical report doesn't have access to interact

What are Layout set Elements?
layout set elements are
1.header 2.peragraph formats 3. character formats 4. windows 5. pages windows

Distinguish between setscreen and call screen?
In the case of setscreen the entire processing of the current screen takes place and then the system branches out to next screen.if u want to branch out to the next screen without processing the current screen then LEAVE SCREEN should be used along with SET SCREEN.
CALL SCREEN is usually used for pop up screens.

What is ABAP Memory and SAP Memory?
SAP memory is a memory area to which all main sessions within a SAPgui have access. You can use SAP memory either to pass data from one program to another within a session, or to pass data from one session to another. Application programs that use SAP memory must do so using SPA/GPA parameters .
ABAP memory is a memory area that all ABAP programs within the same internal session can access using the EXPORT and IMPORT statements. Data within this area remains intact during a whole sequence of program calls. To pass data to a program which you are calling, the data needs to be placed in ABAP memory before the call is made. The internal session of the called program then replaces that of the calling program. The program called can then read from the ABAP memory.

1. SAP memory is for cross-transaction Applications and ABAP/4 memory is transaction-specific.
2. The SAP memory, otherwise known as the global memory, is available to a user during the entire duration of a terminal session. Its contents are retained across transaction boundaries as well as external and internal sessions. The contents of the ABAP/4 memory are retained only during the lifetime of an external session. You can retain or pass data across internal sessions.
3. The SET PARAMETER and GET PARAMETER statements allow you to write to, or read from, the SAP memory. The EXPORT TO MEMORY and IMPORT FROM MEMORY statements allow you to write data to, or read data from, the ABAP memory.

Explain Check Table and Value Table ?
check tabke works at table level and value table works at domain level.
check table is nothing but master table that u will create with valid set of values.
value table it provides the list of values and it will automatically proposed as a check table while creating foreing key relationship

How many types of Standard Internal Tables?
The key is, by default, set to NON-UNIQUE. You may not use
the UNIQUE addition.
Unlike stadard tables, sorted table have no default setting
for the uniqueness attribute. If you do not specify either
UNIQUE or NON-UNIQUE, the system defines a generic table
type, where uniqueness is irrelevant. You can use generic
types to specify the type of generic subroutine parameters.
Hashed tables have no default setting. You must use the
UNIQUE addition with hashed tables. You may not use

What is Refresh in Internal Table?
'Refresh' is the keyworld which clears the contents of an internal table body.

What is the Difference Between Collect and Sum?
COLLECT allows you to create unique or summarized datasets. The system first tries to find a table entry corresponding to the table key. The key values are taken either from the header line of the internal table itab, or from the explicitly-specified work area.
If the system finds an entry, the numeric fields that are not part of the table key (see ABAP number types) are added to the sum total of the existing entries. If it does not find an entry, the system creates a new entry instead.
The way in which the system finds the entries depends on the type of the internal table:
The system creates a temporary hash administration for the table to find the entries. This means that the runtime required to find them does not depend on the number of table entries. The administration is temporary, since it is invalidated by operations like DELETE, INSERT, MODIFY, SORT, ...). A subsequent COLLECT is then no longer independent of the table size, because the system has to use a linear search to find entries. For this reason, you should only use COLLECT to fill standard tables.
The system uses a binary search to find the entries. There is a logarithmic relationship between the number of table entries and the search time.

What are the ways of creating Tables?
There are two ways to create table
1) top-down approach
2) bottom-up approach

What are Function Modules?
Function modules is a extranal subroutine.we can call it to outside the program.its a mini program. its used for redues the coding,easy to find error.

Function modules is like a small program (is not a suboutine because sub-routines are not standalone objects-i.e we cannot execute them alone) which are similar to 'functions' in C.
We can pass the varible and get the return values even with out knowing what is happening in its code.
They are standalone programs-i.e.we can debug and execute them alone unlike subroutines and macros and includes.

What is CAT?
"CAT" Computer Aided Test Tool. Used to create test cases for application testing purposes.

What is LDB?
Logical Database is an ABAP program which retrieves data from various tables
Which are interrelated and provides a read olny view of the data.

What are the EVENTS in Report Program?
What are EVENTS In Interactive Report and Explain?
Classical Report Events are

Interactive events are

AT LINE-SELECTION:Allows the user to interact with the lists.
AT USER-COMMAND:USed for handling Push buttons.
SET PF-STATUS:Provides User Interface.

What are the various techniques of BDC?
call transaction
session method
direct input method

What is SQL Trace?
SQL Tracer is a tool used to measure the performance of ABAP program.
T.code :st05

What is LUW?
It is a span of time during which database records are updated either
commit or rollback.

Have you worked with reading and writing data on to files?
YES, open dataset for output. read dataset from itab. close dataset .

Have you created tables in SAP? What are client dependent and independent tables? How do you create independent tables?
Tables which are having MANDT field is called as client dependent tables. Tables which are not having MANDT field is called as client dependent tables.

Have you used SM30 and SM31 transactions?
sm30 is used to view the ' Call Up View Maintenance ' and SM31 is to view the ' Table maintenance ' with

How many dictionary objects are there and list all
Available Dictionary Objects are Domains, Viwes, Match Codes, Lock Objects, Structures, Data Elements, Intenal Types.

What is the difference between transparent and non transparent database tables?
Transparent tables have 1 - 1 cardinality b/w Data Dictionary and Database, and non transparent ( Cluster and Pooled) tables have Many - 1 cardinality.
Transparent table can access with using OPen & NAtive SQL stmts where as Nontransparent only OPen Sql.
Transparent trables can store Table relevent data and non transparent tables can store system data/ application data based on the transparent tables

What is meant by BDC. How many methods of BDC are there?
METHODS OF BDC-> Direct Input method, Batch Input Session method, Call transaction method.

What are the difference between table controls and step loops in dialog programming?
1. Function modules use a special screen to define the parameters where as subroutines use the same ABAP/4 editor to define its parameters.
2. Tables work area can be commonly shared by calling program and subroutine where as function modules do not share commonly.
3. Calling a function module syntax (Call function.) is different from calling a subroutine syntax (perform….).
4. With raise statement user can exit from a function module where as exit is used in subroutines.

What is ALE, IDOC , EDI , RFC. Explain briefly.
ALE: application linking enabling
IDOC: intermediatary documents
EDI: electronic data interchange
RFC: remote function call

What is a binary search?
Binary Search is used in internal table for searching the records. its means record searched one by one from top & bottom both its a easy nd fast way to find the pointer searching is better.

Types of User Exits, what kind of work is done on these exits?
File Exit, Menu Exit, Function Exit.

How will you find out where the user exits are available?
CMOD : This transaction allows you to create a PROJECT by identifying its ENHANCEMENT(S). After determining all of the ENHANCEMENTS that are part of the PROJECT, you will have to activate the PROJECT. You will still need to code your user-exit; therefore, you may want to wait until this step is completed before activating the PROJECT.
§SMOD : This transaction allows you to create an ENHANCEMENT, which you will include in a PROJECT, by identifying its COMPONENT(S). In the case where SAP has already created an ENHANCEMENT for its pre-defined user-exits, you will not need to use transaction SMOD; instead, you should just use transaction CMOD.

Have you created any transactions?
We can use TC SE93 for creating our own transaction code.

Difference between Table-Controls and Step-loops?
Table controls are modified / mproved versions of step loops.
in controls we can do,
horizontal scrolling,
vertical scrolling,
scrolling in a perticular field,
resize the table,
can save the settings for future use,
can make selective columns editable,....etc
these things are not possible with step loops.
step loops are controlled by loop-endloop statements.

Import and Export
ABAP memory is a memory area that all ABAP programs within the same internal session can access using the EXPORT and IMPORT statements. Data within this area remains intact during a whole sequence of program calls. To pass data to a program which you are calling, the data needs to be placed in ABAP memory before the call is made. The internal session of the called program then replaces that of the calling program. The program called can then read from the ABAP memory. If control is then returned to the program which made the initial call, the same process operates in reverse.

How many interactive reports did you write?
In an Interactive Report, user can define maximum 20 secondary lists.

What is an “Unpack command”
UNPACK field1TO field2 .Unpacks the packed field field1 and places it in the field field2 with leading zeros. If field2 is too short, it is truncated on the left.

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