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SAP Installation Guides
Are you looking for SAP Installation Guides that has step by step Instructions / Screen Shots for ECC ? Are you looking for SAP Trail Software and the steps to install in your PC / Latop?
Well check here :
Step by Step SAP Installation Guides
SAP Certification
Check this site for all SAP Certification Information. This site has lot of Sample Questions in all the areas:
http://www.sapcert.info
SAP Customer List
SAP Customer List :
SAP In India
ALok Industries Mumbai - India
Ananda Bazaar Publications - West Bengal - India
Apollo Tyres - Gurgaon - Haryana - India
Asian Paints - Mumbai - India
Essar Steel - Bangalore - India
Everyready Industries - Calcutta - India
Exide - West Bengal - India
Haldia Petrochemicals - West Bengal - India
Hero Honda Motors
Indian Oil
IPCL
Jindal Stainless Steel
Mahindra & Mahindra
Merck India
ONGC
Novartis India
TELCO
Sundaram Fasteners
Tata Motors
Tata Steel
Tata Metalliks
Videocon
Welspun India Ltd
Tractors and Farm Equipments Limited
Reliance Energy
Reliance India Ltd
Pranay Stampings
Philips Carbon
Orissa Mining Corp
Basis Interview Questions and Answers
Q. What is the difference between a support package and a kernel replacement?
A. A support package contains fixes to the ABAP code within a SAP instance. It must be applied using the SPAM transaction in the SAP instance. A kernel replacement is the replacement of the SAP executables on the OS level
Q. A user rings you up and says they have made a huge error and need the database restored to the previous afternoon. How do you go about the restore?
A. You do not restore the database. You liaise with the user to correct the error or refer to management to make a decision on the effect on the business.
Question : When creating a logon group for logon load balancing.
which of the following cannot be specified?
Maximum Allowable response time.
Max number of users who may be logged on to the instance.
Name of the instance defined for the logon group.
Max number of session per user. ( Correct )
Name of logon group.
Question : Which of the following is authorized to maintain R/3 user id
Parameters?
Only R/3 system administrator
All R/3 users having an account in same client.
Only the user himself
only the R/3 system admin and User. (Correct)
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Q. What would you do with a heavy program which blocks the system resources?
A. Run it in background
Q. What is a background processing batch scheduler?
A. It is a process which runs as defined by the parameter rdisp/btctime to check the scheduled background jobs and to execute them.
The parameter defines the delay between two runs which means that a job start can delay at the most for that much time.
Q. What would you do to test the background processing consistencies and options in the server?
A. Run Tcode SM65 - Analysis Tool and select the relevant options.
Q.What are the two files that are created (at os level)when you create a Request
Data and cofile
Q.your network Admin did a mistake a assigned the database instance and
central instance the same IP Address ,so what will happen when you start
SAP instance .
Q.what are the two memory areas in Live Cache
Global (I/O buffer cache)and local memory ( live cache Heap memory)
Q.how do you restart a live cache server
LC10
Q.what happens if you restart a live cache server through a Database manager GUI
You will get a Dump when you login in to SAP APO live cache (not sure about the answer)
Q.how to determine the max number of UKT(user kernell threads) in APO
Number of dialog work process * 2
Q.how do you automate the STMS
Schedule the abap program TMS_BCI_START_SERVICE in required interval
Q. you go to su01 and you do not see create user option what does it mean
the system you logged on is child system
Q.All the users in J2EE are locked what will you do
unlock user sap* through config tool and then login in to visual admin and unlock the users .
Q.How do you create a reporting Authorization object in BW
t-code RSSM
Q.difference between license_Admin and usmm
usmm has to be done in each and every system in you landscape ,where as license_admin can be done from one central system ,consolidate the users and then send to sap
Q.how do you open up remote conenctions
http://service.sap.com
Q.what is a object and class in Live cache?
the easiet answer to understand is object is a record and class is a table
Not sure if this is the answer recenlty started working on APO
Q.How do you restart J2EE engine From SAP
SMICM-->ADMINISTRATION-->j2ee server
15)A user complains saying that all the BGD work process are hung
never restart the system , go to sm50 and restart the work process
Q. Why locking used at DB and SAP application server level?
Q. How do you backout a support package?
Q. How do you access SAP's quick sizer?
Q. What's quick sizer used for?
Q.What kind of sizing execises are possible in SAP?
Q. What are the steps for kernal upgrade? and name of Kernal file?
Q. What are phases of ASAP? Methodology
Q. Why locking used at DB and SAP application server level?
this way, SAP can lock the way it wants without any problems with the differents ways that DB software may react.
Q. How do you backout a support package?
Restore from last backup
Q. How do you access SAP's quick sizer?
http://service.sap.com/sizing
Q.What's quick sizer used for?
to make sure that hardware will be powerful enough to run SAP
Q.What are the steps for kernal upgrade? and name of Kernal file?
stop SAP, copy exe/run, extract SAR files, check file permissions, start SAP
disp+work.exe
ABAP Interview Questions and Answers
What are the layers of data description in R/3?
· The external layer.
· The ABAP/4 layer.
· The database layer.
Define external layer?
The external layer is the plane at which the user sees and interacts with the data, that is, the data format in the user interface. This data format is independent of the database system used.
Define ABAP/4 layer?
The ABAP/4 layer describes the data formats used by the ABAP/4 processor.
Define Database layer?
The database layer describes the data formats used in the database.
What is a Data Class?
The Data class determines in which table space the table is stored when it is created in the database.
What is a Size Category?
The Size category describes the probable space requirement of the table in the database.
How many types of size categories and data classes are there?
There are five size categories (0-4) and 11 data classes only three of which are appropriate for application tables:
· APPL0- Master data (data frequently accessed but rarely updated).
· APPL1- Transaction data (data that is changed frequently).
· APPL2- Organizational data (customizing data that is entered when system is configured and then rarely changed).
The other two types are:
· USR
· USR1 – Intended for customer’s own developments.
What are control tables?
The values specified for the size category and data class are mapped to database-specific values via control tables.
What is the function of the transport system and workbench organizer?
The function of the transport system and the Workbench Organizer is to manage any changes made to objects of the ABAP/4 Development Workbench and to transport these changes between different SAP systems.
What is a table pool?
A table pool (or pool) is used to combine several logical tables in the ABAP/4 Dictionary. The definition of a pool consists of at least two key fields and a long argument field (VARDATA).
What are pooled tables?
These are logical tables, which must be assigned to a table pool when they are defined. Pooled tables can be used to store control data (such as screen sequences or program parameters).
What is a table cluster?
A table cluster combines several logical tables in the ABAP/4 Dictionary. Several logical rows from different cluster tables are brought together in a single physical record. The records from the cluster tables assigned to a cluster are thus stored in a single common table in the database.
How can we access the correction and transport system?
Each time you create a new object or change an existing object in the ABAP/4 Dictionary, you branch automatically to the Workbench Organizer or correction and transport system.
Which objects are independent transport objects?
Domains, Data elements, Tables, Technical settings for tables, Secondary indexes for transparent tables, Structures, Views, Matchcode objects, Matchcode Ids, Lock objects.
How is conversion of data types done between ABAP/4 & DB layer?
Conversion between ABAP/4 data types and the database layer is done within the database interface.
How is conversion of data types done between ABAP/4 & external level?
Conversion between the external layer and the ABAP/4 layer is done in the SAP dialog manager DYNP.
What are the Data types of the external layer?
ACCP, Char, CLNT, CUKY, CURR, DATS, DESC, FLTP, INT1, INT2, INT4, LANG, LCHR, LRAW, NUMC, PREC, QUAN, RAW, TIMS, UNIT,VARC.
What are the Data types of the ABAP/4 layer?
Possible ABAP/4 data types:
C: Character.
D: Date, format YYYYMMDD.
F: Floating-point number in DOUBLE PRECISION (8 bytes).
I: Integer.
N: Numerical character string of arbitrary length.
P: Amount of counter field (packed; implementation depends on h/w platform).
S: Time Stamp YYYYMMDDHHMMSS.
V: Character string of variable length, length is given in the first two bytes.
X: Hexadecimal (binary) storage.
How can we set the table spaces and extent sizes?
You can specify the extent sizes and the table space (physical storage area in the database) in which a transparent table is to be stored by setting the size category and data class.
What is the function of the correction system?
The correction system manages changes to internal system components. Such as objects of the ABAP/4 Dictionary.
What are local objects?
Local objects (Dev class$TMP) are independent of correction and transport system.
What is a Development class?
Related objects from the ABAP/4 repository are assigned to the same development class. This enables you to correct and transport related objects as a unit.
What is a data dictionary?
Data Dictionary is a central source of data in a data management system. Its main function is to support the creation and management of data definitions. It has details about
· what data is contained?
· What are the attributes of the data?
· What is the relationship existing between the various data elements?
What functions does a data dictionary perform?
In a data management system, the principal functions performed by the data dictionary are
· Management of data definitions.
· Provision of information for evaluation.
· Support for s/w development.
· Support form documentation.
· Ensuring that the data definitions are flexible and up-to-date.
What are the features of ABAP/4 Dictionary?
The most important features are:
· Integrated to aABAP/4 Development Workbench.
· Active in the runtime environment.
What are the uses of the information in the Data dictionary?
The following information is directly taken from the Data dictionary:
· Information on fields displayed with F1 help.
· Possible entries for fields displayed with F4 help.
· Matchcode and help views search utilities.
What are the basic objects of the data dictionary?
· Tables
· Domains
· Data elements
· Structures
· Foreign Keys
What are the aggregate objects in the data dictionary?
· Views
· Match codes
· Lock objects.
In the ABAP/4 Dictionary Tables can be defined independent of the underlying database (T/F).
True.
ABAP/4 Dictionary contains the Logical definition of the table.
A field containing currency amounts (data type CURR) must be assigned to a reference table and a reference field. Explain.
As a reference table, a system containing all the valid currencies is assigned or any other table, which contains a field with the currency key format. This field is called as reference field. The assignment of the field containing currency amounts to the reference field is made at runtime. The value in the reference field determines the currency of the amount.
A field containing quantity amounts (data type QUAN) must be assigned to a reference table and a reference field. Explain?
As a reference table, a system table containing all the valid quantity units is assigned or any other table, which contains a field with the format or quantity units (data type UNIT). This field is called as reference field.
The assignment of the field containing quantity amounts to the reference field is made at runtime. The value in the reference field determines the quantity unit of the amount.
What is the significance of Technical settings (specified while creating a table in the data dictionary)? By specifying technical settings we can control how database tables are created in the database. The technical settings allows us to
· Optimize storage space requirements.
· Table access behavior.
· Buffering required.
· Changes to entries logged.
What is a Table attribute?
The table’s attributes determine who is responsible for maintaining a table and which types of access are allowed for the table. The most important table attributes are:
· Delivery class.
· Table maintenance allowed.
· Activation type.
What is the significance of Delivery Class?
· The delivery class controls the degree to which the SAP or the customer is responsible for table maintenance.
· Whether SAP provides the table with or without contents.
· Determines the table type.
· Determines how the table behaves when it is first installed, at upgrade, when it is transported, and when a client copy is performed.
What is the max. no. Of structures that can be included in a table or structure.
Nine.
What are two methods of modifying SAP standard tables?
· Append Structures and
· Customizing Includes.
What is the difference between a Substructure and an Append Structure?
· In case of a substructure, the reference originates in the table itself, in the form of a statement include….
· In case of an append structure, the table itself remains unchanged and the reference originates in the append structure.
To how many tables can an append structure be assigned.
One.
If a table that is to be extended contains a long field, we cannot use append structures why?
Long fields in a table must always be located in the end, as the last field of the table. If a table has an append structure the append line must also be on the last field of the table.
Can we include customizing include or an append structure with Pooled or Cluster tables?
No.
What are the two ways for restricting the value range for a domain?
· By specifying fixed values.
· By stipulating a value table.
Structures can contain data only during the runtime of a program (T/F)
True.
What are the aggregate objects in the Dictionary?
· Views
· Match Code.
· Lock Object.
What are base tables of an aggregate object?
The tables making up an aggregate object (primary and secondary) are called aggregate object.
The data of a view is not physically stored, but derived from one or more tables (t/f)
True.
What are the 2 other types of Views, which are not allowed in Release 3.0?
· Structure Views.
· Entity Views.
What is a Match Code?
Match code is a tool to help us to search for data records in the system. Match Codes are an efficient and user-friendly search aid where key of a record is unknown.
What are the two levels in defining a Match Code?
· Match Code Object.
· Match Code Id.
What is the max no of match code Id’s that can be defined for one Match code object?
A match code Id is a one character ID that can be a letter or a number.
Can we define our own Match Code ID’s for SAP Matchcodes?
Yes, the number 0 to 9 are reserved for us to create our own Match Code Ids for a SAP defined Matchcode object.
What is an Update type with reference to a Match code ID?
If the data in one of the base tables of a matchcode ID changes, the matchcode data has to be updated. The update type stipulates when the matchcode is to be updated and how it is to be done. The update type also specifies which method is to be used for Building matchcodes. You must specify the update type when you define a matchcode ID.
Can matchcode object contain Ids with different update types?
Yes.
What are the update types possible?
The following update types are possible:
· Update type A: The matchcode data is updated asynchronously to database changes.
· Update type S: The matchcode data is updated synchronously to database changes.
· Update type P: The matchcode data is updated by the application program.
· Update type I: Access to the matchcode data is managed using a database view.
· Update type L: Access to the matchcode is achieved by calling a function module.
What are the two different ways of building a match code object?
A match code can be built in two different ways:
· Logical structure: The matchcode data is set up temporarily at the moment when the match code is accessed. (Update type I, k).
· Physical Structure: The match code data is physically stored in a separate table in the database. (Update type A, S, P).
What are the differences between a Database index and a match code?
· Match code can contain fields from several tables whereas an index can contain fields from only one table.
· Match code objects can be built on transparent tables and pooled and cluster tables.
What is the function of a Domain?
· A domain describes the technical settings of a table field.
· A domain defines a value range, which sets the permissible data values for the fields, which refers to this domain.
· A single domain can be used as basis for any number of fields that are identical in structure.
Can you delete a domain, which is being used by data elements?
No.
What are conversion routines?
· Non-standard conversions from display format to sap internal format and vice-versa are implemented with so called conversion routines.
What is the function of a data element?
A data element describes the role played by a domain in a technical context. A data element contains semantic information.
Can a domain, assigned to a data element be changed?
Yes. We can do so by just overwriting the entry in the field domain.
Can you delete data element, which is being used by table fields.
No.
Can you define a field without a data element?
Yes. If you want to specify no data element and therefore no domain for a field, you can enter data type and field length and a short text directly in the table maintenance.
What are null values?
If the value of a field in a table is undefined or unknown, it is called a null value.
What is the difference between a structure and a table?
Structures are constructed the almost the same way as tables, the only difference using that no database table is generated from them.
What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically stored instead being derived from one or more tables.
How many types of Views are there?
· Database View
· Help View
· Projection View
· Maintenance View
What is Locking?
When two users simultaneously attempt to access the same data record, this is synchronized by a lock mechanism.
What is database utility?
Database utility is the interface between the ABAP/4 Dictionary and the underlying the SAP system.
What are the basic functions of Database utility?
The basic functions of database utility are:
· Create database objects.
· Delete database objects.
· Adjust database objects to changed ABAP/4 dictionary definition.
What is Repository Info. Systems?
It is a tool with which you can make data stored in the ABAP/4 Dictionary available.
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