SAP Hana Interview Questions and Answers

Last updated on Mar 17, 2022
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SAP Hana Interview Questions

Most Frequently Asked SAP Hana Interview Questions

Here in this article, we will be listing frequently asked SAP Hana Interview Questions and Answers with the belief that they will be helpful for you to gain higher marks. Also, to let you know that this article has been written under the guidance of industry professionals and covered all the current competencies.

Q1. What is SAP HANA and why it is used?

SAP HANA platform replicates and ingests structured data from both SAP and non-SAP relational databases, applications and other systems rapidly. It uses in-memory database technology which allows the processing of massive amounts of real-time data in a shorter time period. SAP HANA is used to process an enormous amount of data in a short time. It also can be used to treat data stored in RAM as opposed to reading it from a disk.

Q2. What are the advantages of Sap HANA?
Here are a few of the crucial advantages of using SAP HANA:
  • Acquire customer-centric application
  • Enhanced user experience
  • Optimum data management
  • A centralized process for fewer settlement issues
  • Possibility to extend the ability of HANA
Q3. What is the difference between SAP HANA & Oracle?
Answer SAP HANA Oracle
1. It’s an in-memory, column-based data store. It’s a relational database management system.
2. Server operating systems it uses appliance or cloud service. Server operating systems it uses AIX, Linux, HP-UX, Solaris, Windows, and Solaris.
3. No XML support Supports XML.
4. Server-side scripts used here is SQLScript and R. Server-side scripts used here is PL/SQL.
Q4. Explain different Data Types used in SAP HANA?

Here is the list of different data types used in SAP HANA.

  • Date Times Types
  • Numeric Types
  • Boolean
  • Character String
  • Binary Types
  • Large Object Types
  • Multi-valued Types
Q5. What do you mean by SAP HANA Studio?

SAP HANA Studio is an Eclipse-based IDE (Integrated Development Environment) which is used to develop artifacts in a HANA server. It enables technical users to manage the SAP HANA database better, to create new or modify existing data models and to develop and maintain user authorizations.

A set of global interviewer chosen SAP HANA interview questions as their best choice to be asked in the interviews.

Q6. What are System Requirements for SAP HANA?

Here are system requirements to install SAP HANA:

  • CPU: Intel Xeon E5 – 26xx v2/v3 or Intel Xeon E7 – x8xx v1, 8 cores minimum, up to 1.5TB, 2 socket, and scale up only.
  • RAM: minimum of 128 GB Ram to max memory supported by the system.
  • Drives & Storage: Minimum 2 times of the memory.
  • Operation system: SUSE Linux Latest or Red Hat Linux Latest
Q7. Explain the difference between Column Storage and Row Storage?
Answer Column Storage Row Storage
1. Table records are stored in the sequence of columns. Here the table records will be stored in a sequence of rows.
2. SAP HANA is primarily optimized for column store. Used when the application requires to only process a single record at one time.
Q8. What is a Schema in SAP HANA and also explain its types?

In SAP HANA, Schema is used to categorize database content according to customer defined groupings which have a particular meaning for users. It also helps to determine access rights to the database objects.

There are three types of Schema used in SAP HANA:

  • User Defined Schema
  • System Defined Schema
  • SLT Derived Schema
Q9. Explain the master controller job in SAP HANA?

In SAP HANA, the master controller is used to create the database triggers and also for logging the table into the source system. A crucial role is played for the creation of the synonyms.

Q10. Please explain the benefits of SAP NW 7.5?
Here are the benefit highlights of SAP NW 7.5:
  • Special dictionary tools for Eclipse
  • Optimizations in HANA
  • Introduction of common ABAP programming for analytical and transactional applications
  • Support for Industry 4.0 scenarios
  • Support of Eclipse 4.4 and Java 8 for SAP NetWeaver Developer Studio
  • Support for Big Data
  • Stable kernel
  • In-app extensibility for S/4HANA

These above-mentioned SAP HANA interview questions and answers are suitable for both experienced as well as freshers.

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