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SAP ABAP on HANA Interview Questions

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by Ruchitha Geebu
Last modified: July 16th 2021

If you're looking for SAP ABAP on HANA Interview Questions for Experienced or Freshers, you are at the right place. There are a lot of opportunities from many reputed companies in the world. According to research SAP ABAP on HANA has a market share of about 0.9%. So, You still have the opportunity to move ahead in your career in SAP ABAP on HANA Developer. Mindmajix offers Advanced SAP ABAP on HANA Interview Questions 2021 that helps you in cracking your interview & acquire a dream career as SAP ABAP on HANA Consultant.

Top 10 Frequently Asked SAP ABAP on HANA Interview Questions

  1. What is SAP HANA?
  2. What is the improvement dialect utilized by SAP HANA?
  3. Specify what is the part of the ace controller work in SAP HANA?
  4. Name the different segments of SAP HANA.
  5. Define how IMDB/HANA replaces ORACLE.
  6. Say what is the part of the tirelessness layer in SAP HANA?
  7. How you can interface SAP HANA to Microsoft Excel?
  8. Specify what idleness is.
  9. Clarify SLT.
  10. How much does HANA cost?

1. What is the improvement dialect utilized by SAP HANA?

C++

2. Name the practical framework SAP HANA bolsters.

More than 70% of clients run the SAP workloads on Linux by the utilization of the SUSE Linux Enterprise Server, which is the best OS decision for SAP HANA.

3. Clarify the Parallel Processing about SAP HANA. 

Using the column information stockpiling tactic, the capacity in SAP HANA is isolated steeply. The columnar tactic permits straight looking and accumulation of information as opposed to two-dimensional information structure. On the off chance that more than one section is to be prepared, each errand is doled out to the assorted processor. Section divisions prepared by the various processors collimate activities into one segment.

4. What is SAP HANA?

SAP HANA is an in-memory registering motor (IMCE) utilized for ongoing preparing of enormous volumes of information and fabricating and conveying true applications. Receiving the line-based and section-based DB innovation, SAP HANA is a progressed social DB item overhauled by SAP SE. With this elite logical (HANA) framework, huge information exists on the primary memory and not on the solid circle. It replaces the onus of information upkeep independently on the heritage framework and rearranges the errands of chairpersons in this advanced world.

5. Define the rundown points of interest of utilizing the SAP HANA database. 

With the HANA innovation, you can make gen-next applications giving successful and proficient outcomes in the digital economy.

By utilizing scorch information in memory, SAP HANA bolsters:

  • Smooth exchange process and blame tolerant examination
  • Easy and basic activities utilizing an open-source, brought together stage in the cloud
  • High-level Data Integration to get too gigantic measures of information
  • Advanced instruments for the top to bottom examination of the present, past, and what's to come.

Related Article: SAP HANA as a Primary ABAP Database

6. List down the benefits and bad marks of utilizing line-based tables. 

Pros:

  • No information tactic can be quicker than push-based in the event that you need to examine, process, and recover a single record at a time.
  • Line-based tables are helpful when there’s a particular request for getting to finish records.
  • It’s favored while the table comprises less amount of lines.
  • This information stockpiling and preparing approach is simpler and powerful with no conglomerations and quick looking.

Cons:

The information recovery and preparing activities include the entire column, despite the fact that all the data isn't valuable.

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7. Say what is the part of the tirelessness layer in SAP HANA?

 SAP HANA has an in-memory figuring motor and accesses the information straightaway with no reinforcement. To stay on the safe side of losing information in case there is an equipment disappointment or power cut off, the diligence layer that comes as a guardian angel store every one of the information in the hard drive which isn't unstable.

8. Say what is displaying studio?

 Modeling studio in HANA plays out different errands like:

  • Declares the tables which are put away in HANA, the initial segment is to get the meta-information and after that timetable information replication employments
  • Manage Data Services for entering the information from the SAP Business Warehouse as well as from different frameworks
  • Manage ERP cases association; the present discharge does not bolster interfacing with a few ERP occurrences
  • Use information administration for the demonstrating
  • To demonstrate in HANA itself
  • Essential licenses for the SAP BO information administrations

9. Specify what the unique pressure strategies are.

 There are three diverse pressure procedures

  1. Run-length encoding
  2. Cluster encoding
  3. Dictionary encoding

10. Specify what idleness is.

 Latency is eluded to the time span to imitate information from the source framework to the objective framework.

11. Clarify what are change rules. 

 Transformation administers the control indicated in the propelled replication setting exchange for the source table to such an extent that information is changed amid the replication procedure.

12. What is the upside of SLT replication?

 SAP SLT chips away at trigger-based approach; this kind of approach doesn't have any quantifiable execution effect in the source framework

  • It offers to separate ability and change
  • It empowers continuous information replication, reproducing just related information into HANA from non-SAP and SAP source frameworks
  • It is completely incorporated with HANA studios
  • Duplication from a few source frameworks to one HANA framework is permitted additionally from one source framework to various HANA frameworks is permitted.

13. Clarify how you can maintain a strategic distance from un-fundamental data from being put away?

To maintain a strategic distance from un-essential data from being put away, you need to delay the replication by halting the outline related employment

14. Specify what is the part of the ace controller work in SAP HANA?

 The activity is orchestrated on request and is in charge of

  • Creating databases trigger in logging table into all the source framework
  • Creating Synonyms
  • Creating new passages in the administrator tables of the SLT server when a table is repeated/stacked

15. Clarify what would happen in case the replication gets postponed for a more drawn-out timeframe or framework blackout of SLT or HANA framework. 

 If the duplication is postponed for a more drawn-out timeframe, the span of the logging tables increases.

16. Specify the part of the exchange director and session.

The exchange principle coordinates databank exchanges and also keeps a record of the running and the closed exchanges. At the point when it is exchanged and is moved back or submitted, that is when the exchange director informs all the including stockpiling motors of the occasion so that they can be run on important activities.

17. Clarify the way in which you can stay away from the un-fundamental logging data being discarded.

You can dodge the unimportant logging of the data from being put away by delaying all the replication by ceasing the patterns related to employment.

18. Clarify how SQL explanation is handled.

Inside the HANA databases, each SQL articulation is actualized in the orientation of the exchange. A new session is dispensed to another exchange.

19. Name the different segments of SAP HANA.

The different components of SAP HANA are:

  • SAP HANA DB
  • SAP HANA Studio
  • SAP HANA Appliance
  • SAP HANA Application Cloud

20. What are the distinctive sorts of changeless permits enters in the HANA framework?

There are two sorts of perpetual License keys for the HANA framework −

1. Unenforced − If an unenforced permit key is introduced and utilization of the HANA framework surpasses the permit measure of memory, the activity of SAP HANA isn't influenced by this situation.
2. Enforced − If the Enforced permit key is introduced and utilization of the HANA framework surpasses the permit measure of memory, the HANA framework gets bolted. In the event that this circumstance happens, the HANA framework must be restarted or another permit key ought to be asked for and introduced.

21. What is the distinction between the Catalogue and Content tab?

Catalog −This contains RDBMS matters like compositions, tables, sees, systems, and so forth. You can open the SQL supervisor and plan catalog objects.

Content − It is utilized to keep up configuration time storehouse. You can make new bundles, and outline Information seen in the HANA framework. Different perspectives can be made under the substance tab to encounter business prerequisites and for performing diagnostic intelligence on the highest point of the content.

22. How you can interface SAP HANA to Microsoft Excel?

MDX Provider is utilized to interface MS Excel to the SAP HANA database framework. It gives the driver to interface the HANA framework to Excel and is additionally used for information demonstrating. You can utilize Microsoft Office Excel 2010/2013 for availability with HANA for both 32 bit and 64 bit Windows.

23. How does SAP HANA bolster import from a nearby document?

Go to File → Import, You will see underneath the choice

This is utilized to import information from a level document like .xls or.csv record. Tap on Next → Choose Target System → Define Import Properties.

Select Source document by perusing neighborhood framework. It also gives a choice on the off chance that you need to keep pushing the header. It likewise gives an opportunity to make another table under existing Schema or in the event that you need to import information from a record to a current table.

24. What table write is favored in SAP HANA Administration: segment-based or push-based? 

Since logical applications require large accumulations and coordinated information preparation, segment-based tables are favored in SAP HANA. The information in the segment is put away like this consistently empowering quicker and less demanding coherence and recovery. In this manner, columnar capacity is favored on most OLAP (SQL) questions. Push-Based tables drive clients to peruse and get to all the data in succession, despite the fact that you require information from a few as well as particular sections.

25. Clarify the idea of the Persistence Layer.

The tirelessness layer in SAP HANA handles all logging activities and exchanges for secured reinforcement and information re-establishing. This layer oversees information put away in the two lines and segments and gives unfaltering spare focuses. Based on the idea of the steadiness layer of SAP's social database, it guarantees effective information re-establishment. Other than overseeing log information on the circle, HANA's determination layer permits read and compose information tasks through all stockpiling interfaces.

26. Clarify SLT.

SLT extends to the SAP Landscape Transformation alluding to the trigger-based replication. SLT duplication grants information exchange from cause to target, where the cause could be SAP as well as non-SAP while the objective framework must be SAP HANA along with the HANA database. Clients can achieve information replication from numerous causes. The three duplication procedures upheld by the HANA are:

  • SLT
  • SAP Business Objects Data Services (BODS)
  • SAP HANA Direct Extractor Connection (DXC)

Related Article: SAP HANA Interview Questions

27. Name the duplication employments in SAP HANA.

  • Master Job (IUUC_MONITOR_)
  • Information Load Job (DTL_MT_DATA_LOAD__)
  • Ace Controlling Job (IUCC_REPLIC_CNTR_)
  • Movement Object Definition Job (IUCC_DEF_MIG_OBJ_)
  • Access Plan Calculation Job (ACC_PLAN_CALC__)

28. Define how IMDB/HANA replaces ORACLE.

When a business suite starts running on the IMDB, the Oracle will not be required anymore by the SAP clients who purchased the HANA. This won't be affecting any of it in the short run since the people who would be buying HANA today would still need an Oracle ERP system.

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29. How much does HANA cost?

Though SAP hasn't revealed the amount required for buying HANA, yet the cost is to be estimated to be around somewhere from $100k - $200K per TB. Apart from these, there are additional costs such as permitting cost which is decided based on every client premise.

30. Detail all the license key which are required in the HANA system along with their validity.

The different license keys which are required for the HANA systems are:

  • Permanent License Key
  • Temporary License Key

The Temporary License keys are installed automatically during the installation of the HANA database. These keys are only valid for 90 days and before the expiration of it, you should opt for the permanent license key from the SAP marketplace.

About Author

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NameRuchitha Geebu
Author Bio

I am Ruchitha, working as a content writer for MindMajix technologies. My writings focus on the latest technical software, tutorials, and innovations. I am also into research about AI and Neuromarketing. I am a media post-graduate from BCU – Birmingham, UK. Before, my writings focused on business articles on digital marketing and social media. You can connect with me on LinkedIn.