Interview Q&A

• What is a developer key? and how to generate a developer key?

  The developer key is a combination of you installation number, your license key (that you get from http://service.sap.com/licensekey) and the user name. You need this for each person that will make changes (Dictionary or programs) in the sy...

• What is osp$ mean? What if user is given with this authorisation?

  OPS$ is the mechanism the adm users uses to connect to the database .

• Why do you use DDIC user not SAP* for Support Packs and SPam?

  Do _NOT_ use neither DDIC nor SAP* for applying support packages. Copy DDIC to a separate user and use that user to apply them.

• What is private mode? When does user switch to user mode?

  Private mode is a mode where the heap data is getting exclusively allocated by the user and is no more shared across the system. This happens when your extended memory is exhausted.

• How will you debug errors with SAP GUI (like Active X error etc)

  Run Bex analyzer -> Business Explorer menu item -> Installation check; this shows an excel sheet with a start button; click on it; this verifies the GUI installation ;if u find any errors either reinstall or fix it

• How do you define exception reporting in the background?

  Use the reporting agent for this from the AWB. Click on the exception icon on the left;give a name and description. Select the exception from query for reporting(drag and drop).

• How do you replace a query result from a master query to a child query?

  If you select characterstic value with replacement path then it used the results from previuos query; for ex: let us assume that u have query Q1 which displaysthe top 10 customers, we have query Q2 which gets the top 10 customers for info o...

• What is the use of BW Statistics?

  The sets of cubes delivered by SAP is used to measure performance for query, loading data etc., It also shoes the usage of aggregates and the cost associated with then.

• How do you transoform Open Hub Data?

  Using BADI

• How would you convert a info package group into a process chain?

  Double Click on the info package grp, click on the 'Process Chain Maint' button and type in the name and descrition ; the individual info packages are inserted automatically.

• What are the data target administration task

  delete index, generate index, construct database statistics, initial fill of new aggregates, roll up of filled aggregates, compression of the infocube,activate ODS, complete deletion of data target.

• What are the load process and post processing?

  Info packake, Read PSA and update data target, Save Hierarchy, Update ODS data object, Data export(open hub), delete overlapping requests.

• What are the conversion routines for units and currencies in the update rule?

  Time dimensions are automatically converted; Ex: if the cube contains calender month and your transfer structure contains date, the date to calender month is converted automatically.

• How would you optimize the dimensions?

  Use as many as possible for performance improvement; Ex: Assume that u have 100 products and 200 customers; if you make one dimension for both ,the size of the dimension will be 20000; if you make individual dimensions then the total numbe...

• What is table partition?

  SAP is using fact table partitioning to improve the performance. you can partition only on 0CALMONTH or 0FISCPER

• How do we debug sapscript?

  Go to SE71 give lay set name , go to utilities select debugger mode on.

• In selection screen I have three fields, plant mat no and material group. If I input plant how do I get the mat no and material group based on plant dynamically?

  AT SELECTION-SCREEN ON VALUE-REQUEST FOR MATERIAL. CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST' to get material and material group for the plant.

• Can we create field without data element and how?

  In SE11 one option is available above the fields strip. Data element/ direct type.

• On which even we can validate the input fields in module progams?

  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.)

• What are client dependant objects in abap/sap?

  SAP Script layout, text element, and some DDIC objects

• How data is stored in cluster table?

  Each field of cluster table behaves as tables which contains the no. of entries.

• Can we create an ABAP program without using Y or Z?

  No, this is because all non Yor Z programs are standard SAP programs.

• What is Extractor?

  Extractors is a data retrieval mechanisms in the SAP source system. Which can fill the extract structure of a data source with the data from the SAP source system datasets. The extractor may be able to supply data to more fields than exist...

• Name some drawbacks of SAP

  nterfaces are huge problem, Determine where master data resides, Expensive, very complex, demands highly trained staff, lengthy implementation time.

• Define Meta data, Master data and Transaction data

  Meta Data: Data that describes the structure of data or MetaObjects is called Metadata. In other words data about data is known as Meta Data. Master Data: Master data is data that remains unchanged over a long period of time. It contains in...

• What is the difference between OLAP and Data Mining?

  OLAP - On line Analytical processing is a reporting tool configured to understand your database schema ,composition facts and dimensions . By simple point-n-clicking, a user can run any number of canned or user-designed reports without havi...

• What is the difference between OLAP and Data Mining?

  OLAP - On line Analytical processing is a reporting tool configured to understand your database schema ,composition facts and dimensions . By simple point-n-clicking, a user can run any number of canned or user-designed reports without havi...

• Why do you usually choose to implement SAP?

  There are number of technical reasons numbers of companies are planning to implement SAP. It’s highly configurable, highly secure data handling, min data redundancy, max data consistency, you can capitalize on economics of sales like purcha...

• What are the major benefits of reporting with BW over R/3?

  Would it be sufficient just to Web-enable R/3 Reports? - Performance — Heavy reporting along with regular OLTP transactions can produce a lot of load both on the R/3 and the database (cpu, memory, disks, etc). Just take a look at the load p...

• What are internal tables check table, value table, and transparent table?

  Internal table: It is a standard data type object, which exists only during the runtime of the program. Check table: Check table will be at field level checking. Value table: Value table will be at domain level checking ex: scarr table is c...

• How can an ERP such as SAP help a business owner learn more about how business operates?

  In order to use an ERP system, a business person must understand the business processes and how they work together from one functional area to the other. This knowledge gives the student a much deeper understanding of how a business operat...

• What is SAP R/3?

  A third generation set of highly integrated software modules that performs common business function based on multinational leading practice. Takes care of any enterprise however diverse in operation, spread over the world. In R/3 system all...

• Different types of ERP?

  SAP, BAAN, JD Edwards, Oracle Financials, Siebel, PeopleSoft. Among all the ERP’s most of the companies implemented or trying to implement SAP because of number of advantages aver other ERP packages.

• What is ERP?

  ERP is a package with the techniques and concepts for the integrated management of business as a whole, for effective use of management resources, to improve the efficiency of an enterprise. Initially, ERP was targeted for manufacturing ind...

• What is an Abstract Class?

  Abstract class is a class that has no instances. An abstract class is written with the expectation that its concrete subclasses will add to its structure and behaviour, typically by implementing its abstract operations.

• What is meant by Polymorphism?

  Polymorphism literally means taking more than one form. Polymorphism is a characteristic of being able to assign a different behavior or value in a subclass, to something that was declared in a parent class

• What is meant by Inheritance?

  Inheritance is a relationship among classes, wherein one class shares the structure or behaviour defined in another class. This is called Single Inheritance. If a class shares the structure or behaviour from multiple classes, then it is cal...

• What is meant by Encapsulation?

  Encapsulation is the process of compartmentalising the elements of an abtraction that defines the structure and behaviour. Encapsulation helps to separate the contractual interface of an abstraction and implementation.

• What is meant by abstraction?

  Abstraction defines the essential characteristics of an object that distinguish it from all other kinds of objects. Abstraction provides crisply-defined conceptual boundaries relative to the perspective of the viewer. Its the process of foc...

• What is an Instance?

  An instance has state, behaviour and identity. The structure and behaviour of similar classes are defined in their common class. An instance is also called as an object.

• What is an Object?

  Object is an instance of a class. It has state,behaviour and identity. It is also called as an instance of a class.

• What is a Class?

  Class is a template for a set of objects that share a common structure and a common behaviour

• What is meant by Object Oriented Programming?

  OOP is a method of programming in which programs are organised as cooperative collections of objects. Each object is an instance of a class and each class belong to a hierarchy.

• What is Css?

  CSS stands for Cascading Style Sheets and is a simple styling language which allows attaching style to HTML elements. Every element type as well as every occurance of a specific element within that type can be declared an unique style, e.g....

• Can QEngine test Java applets ?

  No. Currently, not supported.

• What version of Mozilla and IE is supported for web testing ?

  Internet Explorer 6.0, Mozilla 1.7.6 and higher and FireFox 1.5.

• Does Web test run on Solaris ?

  No. Currently not supported.

• What category of testing does this tool do? Functionality entirely inside the browser or does it simulates HTTP requests?

  This tool records from and plays entirely inside the browser.

• Is their a provision to synchronize if the server response is slower during playback than at the time of recording ?

  Yes. Use the Settings tab to set maximum time limit to wait for response.

• What category of testing does this tool do? Functionality entirely inside the browser or does it simulates HTTP requests?

  This tool records from and plays entirely inside the browser.