bw4 hana interview questions

SAP BW/BI stands for Business Information Warehouse, also known as business intelligence. For any business, data reporting, analyses and interpretation of business data is very crucial for running business smoothly and making decision. SAP BW/BI manage the data and enables to react quickly and in line with the market. It enables the user to analyze data from operative SAP applications as well as from other business.

Table partition is done to manage the huge data to improve the efficiency of the applications. The partition is based on 0CALMONTH and 0FISCPER. There are two type of partitioning that is done

Data flows from a transactional system to the analytical system (BW). DS ( Data Service) on the transactional system needs to be replicated on BW side and attached to infosource and update rules respectively.

‘Operational Data Store’ or ‘ODS’ is used for detailed storage of data. It is a BW architectural component that appears between PSA ( Persistent Staging Area) and infocubes, it allows BEX (Business Explorer) reporting. It is primarily used for detail reporting rather than dimensional analysis, and it is not based on the star schema. ODS (Operational Data Store) objects do not aggregate data as infocubes do. To load the data into an IDS object, new records are inserted, existing records are updated, or old records are deleted as specified by RECORDMODE value.

‘Infocube’ is structured as the star schema and it is a data storage area. To create an infocube, you require 1 ‘fact table’ surrounded by 4 dimensions. The ‘fact table’ is surrounded by different dim table, which are linked with DIM’ ids. And as per the data, you will have aggregated data in the cubes.

d) There can be two or more ODS under a cube, so cube can contain combined data or data that is derived from other fields in the ODS

A dimension in BW is a collection of reference information about a measurable event in data warehousing. In this context, events are known as “facts”. For example, a customer dimension’s attributes could include first and last name, gender, birth date etc. To optimize the dimensions, do not add most dynamic characteristics into the same dimension and make the dimension smaller. Also, define as many dimensions as possible, and the dimension should not exceed 20% of the fact table size.

Characteristics and key figures will be called as info objects. ‘Info-objects’ are similar to fields of the source system, data based on which we organize data in different info provider in BW.

Designing of data base is done by using modelling. The design of DB (Data Base) depends on the schema, and schema is defined as the representation of tables and their relationship.

Star Schema comprises of Fact tables and Dimension Tables, while the table that consists the Master data are kept in separate tables. These separate tables for Master data are referred as Extended Star Schema.

To extract data from the system program is used which is known as Extractor. The types of extractors in BW are:

Fact table is the collection of facts and relations that mean foreign keys with the dimension. Actually fact table holds transactional data.

The use of the process chain is to automate the data load process. It automates the process like Data load, Indices creation, Deletion, Cube compression etc. Process chains are only to load your data’s.

You can convert package group into a process chain by double clicking on the info package group, then you have to click on the ‘ Process Chain Maint ‘ button where you have to type the name and description, this will insert individual info packages automatically.

Yes, info-object can be an info-provider. In order to do this, you have to right click on the Info Area and select ” Insert characteristics as data target”.

Multi-provider is a type of info-provider that contains data from a number of info-providers and makes it available for reporting purposes.

e) A multi-provider allows you to run reports using several info-providers that are, it is used for creating reports for one or more than one info-provider at a time.

Conversion routine is used to convert data types from internal format to external format or display format.

In the ‘start routine’, you can modify the data packages, when data is loading. While conversion of routine, usually refers to routines bound to info objects for conversion of internal and display format.

To unlock the objects in transport organizer, go to SE03à Request TaskàUnlock objects. When you enter your request and select unlock and execute, it will unlock the request.

The update routine is used to define Global Data and Global Checks. They are defined as the object level. It is like the Start Routine.

a) Homogeneous Multiproviders: It consists of technically identical info-providers, such as infocubes with exactly the same characteristics and key figures.

b) Heterogeneous Multiproviders: These info-providers only have a certain number of characteristics and key figures. It can be used for the modelling of scenarios by dividing them into sub-scenarios. Each sub-scenario is represented by its own info-provider.

BEx Map is BW’s Geographical Information System (GIS). BEx Map is one of the characteristics for SAP BI, and it gives the geographical information like customer, customer sales region and country.

The sets of cubes delivered by SAP are used to measure performance for query, loading data etc. B/W statistics as the name suggests is useful in showing data about the costs associated with the B/W queries, OLAP, aggregative data etc. It is useful to measure the performance of how quickly the queries are calculated or how quickly the data is loaded into BW.

After following these steps, a new dialog box will appear, where you can insert your node or class for BW.

To define data aggregation hierarchy can be used. It is a logical structure that use ordered levels as a means of organizing data. For instance, by using time dimension hierarchy, it is possible to aggregate data from the month level to the quarter level to the year level.

This will show an Excel sheet with start button, on clicking on it, it will verify the GUI installation and if there is any error you can fix it or either re-install it.

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SAP BW/4HANA is completely independent of SAP S/4HANA. Customers do not have to implement one to use the other. SAP S/4HANA Analytics can be used for operational reporting on data taken straight from S/4HANA systems. SAP BW/4HANA on the other hand is an advanced data warehouse that can be used to create reports on current, historical, and external data from a multitude of SAP and non-SAP sources.

SAP BW/4HANA simplifies data structures, data flow, and data life-cycle management. Because it connects with SAP HANA and enterprise information management (EIM), it can access any non-SAP data in the company. And it has the latest user interfaces (UI) for end-users, BW modelers, and administrators, plus the powerful in-memory platform SAP HANA, which gives it excellent performance.

Companies deploy SAP BW/4HANA to achieve business agility. Because the warehouse structure has been hugely simplified, and it has a new data flow modeler, SAP BW/4HANA users can respond quickly and easily to the business needs of new models and to changes in current ones. With the help of SAP BW/4HANA objects, users are able to generate views automatically, edit them using any SQL tool, and visualize the data with SAP BusinessObjects Cloud or SAP Lumira. This makes agile database development possible, giving businesses better insights in real-time and at a lower cost.

6. SAP BW/4HANA is the next-generation business warehouse application. What makes it more advanced than SAP Business Warehouse (SAP BW) 7.5?

SAP BW/4HANA supports SAP BusinessObjects Cloud and SAP BusinessObjects BI. It also has interfaces open to third-party providers.

Related Content:

Webinar On-Demand 5 Ways to Accelerate Your S/4HANA Deployment Your approach to S/4HANA Deployment doesn’t need to be complicated. We know most customers are hesitant

Webinar On-Demand SAP BW/4HANA vs BW on HANA – Understanding Your Options SAP recently announced the launch of BW/4HANA, their latest and greatest, HANA-native, in-memory

Star Schema comprises of Fact tables and Dimension Tables, while the table that consists the Master data are kept in separate tables. These separate tables for Master data are referred as Extended Star Schema.

SAP BW/BI stands for Business Information Warehouse, also known as business intelligence. For any business, data reporting, analyses and interpretation of business data is very crucial for running business smoothly and making decision. SAP BW/BI manage the data and enables to react quickly and in line with the market. It enables the user to analyze data from operative SAP applications as well as from other business.

‘Infocube’ is structured as the star schema and it is a data storage area. To create an infocube, you require 1 ‘fact table’ surrounded by 4 dimensions. The ‘fact table’ is surrounded by different dim table, which are linked with DIM’ ids. And as per the data, you will have aggregated data in the cubes.

Multi-provider is a type of info-provider that contains data from a number of info-providers and makes it available for reporting purposes.

b) Heterogeneous Multiproviders: These info-providers only have a certain number of characteristics and key figures. It can be used for the modelling of scenarios by dividing them into sub-scenarios. Each sub-scenario is represented by its own info-provider.

FAQ

What is S4 HANA interview questions?

SAP S4 HANA Interview Questions and Answers
  • What is SAP HANA? …
  • What is the SAP S/4HANA? …
  • What are the main building blocks of S/4HANA? …
  • What is an in-memory database? …
  • What is SAP HANA? …
  • What are the features of SAP HANA? …
  • Explain SAP HANA architecture.
  • Explain about the Columnar database.

What is the difference between bw4hana and BW on HANA?

SAP BW on HANA and BW4/HANA are different application suites running on the same database. SAP BW on HANA uses SAP’s legacy BW software, but moves it to the HANA database. BW/4HANA uses a reengineered software suite designed to fully harness the power of the HANA database.

What is SAP BW4?

SAP BW/4HANA is a packaged data warehouse based on SAP HANA. As the on-premise data warehouse layer of SAP’s Business Technology Platform, it allows you to consolidate data across the enterprise to get a consistent, agreed-upon view of your data.

Which are the design principles key capabilities of SAP BW 4 Hana?

SAP approach for positioning SAP BW/4HANA emphasises that is built on the following 4 design principles: Simplicity, Openness, High Performance and Modern Interface.

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