Are you getting ready to attend an interview for a job as an SAP HANA Consultant? Here we have come up with a collection of SAP HANA interview questions & answers which will help you a lot to proceed with your preparation and to crack the interview with 100% results. This comprehensive list of interview questions and answers will guide all types of aspirants from advanced to beginners.
Question 1: Can you explain SAP HANA?
SAP HANA Module comprises special software and hardware components which is used for a centralized SAP ERP system and business development applications. Compared with all other SAP Modules, SAP HANA uses real-time data processing and a computing engine that fetches data from the main memory which speeds up the data retrieval operations.
Question 2: List out the Main Components of SAP HANA Technology?
SAP HANA is comprised of different tools and technologies and the mainly used components are:
– SAP HANA DB: It is the core in-memory database that is central to the functioning of SAP HANA.
– SAP HANA Studio: It has the modeling tools for data handling and management.
– SAP HANA Appliance: It is the Vendor hardware in which we install SAP HANA software.
– SAP HANA Application Cloud: It is the cloud-based infrastructure ensuring the functioning of appliances.
Question 3: List the Platforms which support SAP HANA?
– Microsoft Windows Vista, 7, 8, Server 2008 (32-bit)
– Microsoft Windows 7, 8, 10, Server 2008 / R2 (64-bit)
– SUSE Linux Enterprise Server (SLES) 11 (64-bit)
– Red Hat Enterprise Linux (RHEL) 6 (64-bit)
– Mac OS X Mavericks (10.9)
Question 4: Explain the Main Role of Replication Server?
The main function of the replication server is to manage the replication of table data as well as metadata from the data source.
Question 5: What is the Components Involved in Index Server?
The important components involved in index server include:-
– Relational data engine
– Connection and Session manager
– Authorization manager
– Planning engine
– Calc engine
– Persistence layer
Question 6: Explain the Different Mode in SAP HANA Studio?
SAP HANA Studio contains different perspectives which you can choose from and the different modes in SAP HANA Studio include:
– SAP HANA Administration Console
– SAP HANA Modeler
– Application Development
– Lifecycle Management
– SAP HANA Development
– BW Modeling
Question 7: Define SAP HANA System Monitor?
SAP HANA Monitoring feature is used to administer and monitor the system’s health and the availability of SAP HANA components. With the use of this system monitoring feature, we can access the system’s information and configurations and the services offered by different SAP HANA Components.
Apart from this, you can also monitor the different performance of SAP HANA System monitors such as disk space, log disks, data disk, and performance volume, and so on. This is the most convenient option to manage, monitor, and control the individual aspects, tasks, and components.
Question 8: Explain All the Administrative Operation We can achieve using the Administration Console?
There are various types of administrative tasks available in SAP Studio which can be performed using the administration console and it includes:
– OVERVIEW – Monitor the general option of the management
– ALERTS – Position and view the details of the alerts
– PERFORMANCE – Helps to evaluate the performance of the system for the activities of the database
– SYSTEM INFORMATION – Access system information, files, and other queries
– LANDSCAPE – Helps to monitor and check all the running services
– VOLUME – Check the details of the logs and data volumes
– TRACE CONFIGURATION – Includes the traces set up information
– DIAGNOSIS – Helps to monitor files (includes the system log files)
Question 9: Explain the Different Types of SAP HANA Engine
There are three different types of SAP HANA Engines
Join Engine – This join engine is used every time when an attribute is created or used. Also, a join condition is applied in a native SQL Command
OLAP Engine – This OLAP Engine is used in the creation of analytic views. This engine has to be used when attributes are used on the analytical view and no calculation is done. If any other operations like calculations are needed to be used, then other engines like a calculation engine are used along with OLAP Engine.
Calculation Engine – This engine is used in other views like analytical and attribute view whether they apply complex logic and other calculation operations.
Question 10: Explain the Different Types of Joins in SAP HANA?
There are two different types of joins used in SAP HANA and it includes Standard Database Joins and Specific Joins.
Question 11: Define Analytics Privileges used in SAP HANA?
This feature Analytic Privileges in SAP HANA are used to define and assign to selected users. These analytics privileges are used for data access restrictions. They work as data security for SAP Tools for users and clients. This type of privilege provides low-level data security to SAP HANA users contrary to object-level security. Thus it restricts users to seeing only a selected section of data from the client’s entire set.
Question 13: Define the 2 Packages of SAP HANA
Packages are defined as folders that contain all the modeling-related data objects. This derives the named package as it contains all the information modeling data which is being used for transferring (import/export) purposes. The 2 different packages used in SAP HANA Modules are:-
Question 14: What is the Tools Available under SAP Business Objects BI4 Package?
The list of reporting and dashboarding tools available under SAP Business Objects BI 4 package is:
– SAP Lumira
– Web Intelligence
– SAP Crystal Reports
– Design Studio
– Dashboard designer
– Universe Designer (IDT/UDT)
– BusinessObjects Explorer
– Analysis Office
– MS Excel
Question 15: What are the Two Types of Relational Data Stored in SAP HANA?
– Row Store
– Column Store
Question 16: List out the Different Compression Counseling Techniques?
In SAP HANA, mainly three different compression techniques and it includes:
– Run-length encoding
– Cluster encoding
– Dictionary encoding
Question 17: What is the Role & Responsibility of Master Controller Job in SAP HANA?
The main job role performed by Master Controller Job is:-
– To create a database trigger and logs table into the source system
– To create synonyms
– To write new entries in admin tables in SLT Server when a table is replicated or loaded
Question 18: How to Avoid Unnecessary Logging Information from Being Stored?
You can pause the replication by stopping the scheme-related jobs to avoid unnecessary logging information from being stored.
Question 19: What are the 4 Different Types of SAP HANA?
– SAP HANA DB
– SAP HANA Studio
– SAP HANA Appliance
– SAP HANA Application Cloud
Question 20: Explain Sap Hana Studio’s Data provisioning?
Go to SAP HANA Modeler Perspective → Data Provisioning.
This is a comprehensive list of SAP HANA Interview Questions and Answers formulated by a team of experts in the SAP industry! If you have any doubts or queries regarding SAP HANA Interview tips, contact the experts at Training Expand, SAP Training Center in Hyderabad!