Interview Questions.

Question 1. What Is Sap Datahub?

Answer :

SAP Data Hub is a facts sharing, pipelining, and  orchestration solution that allows corporations boost up and enlarge the waft of facts across their contemporary, various information landscapes.

SAP Data Hub offers visibility and get admission to to a extensive variety of information systems and property; lets in the easy and fast creation of effective, organization-spanning data pipelines; and optimizes information pipeline execution velocity with a “push-down” dispensed processing technique at every step.

SAP Data Hub meets the governance and security wishes of the company, making sure that suitable coverage measures are in area to meet regulatory and company requirements.

Question 2. Why Is This Product Necessary? What Is The Market Need?

Answer :

here is greater data and greater methods to store and use it than ever earlier than. While this facts holds enterprise possibility, company records landscapes are growing an increasing number of complex, and it's far getting tougher and costlier for companies to no longer handiest apprehend the information that they have got, however to paintings across all the specific systems that want to apply it, and observe cease-to-cease governance, to capture the most fee.

Key Pain Points:

Data is kept in silos (files, Hadoop, Data Warehouses, and so forth.) across the organization. Users can’t access and work with the statistics they need across the silos in which it’s saved. In precise, it's miles complicated, time eating, and pricey to connect Big Data with employer facts and business methods to advantage insight and fee from it.
End-to-quit facts governance required throughout complicated landscapes: The want to manage and govern facts throughout a landscape is nicely understood. Ensuring statistics lineage and impact evaluation of adjustments, coping with protection and privateness necessities, and many others. Are all essential factors of a depended on agency landscape. With the increased complexity of organisation landscapes, that may now consist of Hadoop information lakes, EDWs, Cloud storage, corporation apps, and many others., the ability to accurately offer effective governance is greater hard. Without stop-to-stop governance throughout all records resources, corporations can't trust and depend on the statistics’s accuracy, creating risk for everybody the use of analytics or operational programs that use the facts.
Big Data technologies lack organisation readiness: Businesses generally can not resolve the complexity of their panorama truly via storing all their facts in a Hadoop records lake. Hadoop answers, while effective, regularly do no longer have the extent of governance and safety features that organisations require. Data lakes frequently have confined governance for Big Data projects, little automation to agenda processing inside the panorama, fragmented tracking and tracing skills of man or woman technology, and lack commonplace protection and access control.
Currently to be had gear require high effort to productize facts scenarios throughout the organisation: Many integration tools today are factor to point, require particularly skilled sources to execute, and are fairly manual. This makes it tough to hastily connect and put in force favored records outcomes.
Specialized skill units are frequently needed to implement, scale and create cost out of Big Data projects. These specialized sources are regularly hard to locate and hard to maintain.
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Question 3. Who Benefits From Sap Data Hub?

Answer :

Organizations searching out an easier way to recognize, manipulate, and get greater price from their complicated facts panorama, including records hung on premise and in the cloud, in data lakes, facts warehouses, and facts marts
Organizations that need which will quick create information-driven programs and analytics that leverage facts from throughout the business enterprise
Organizations challenged by means of integrating Big Data (including IoT, Social Media, Web Log, or Streaming Data) into Enterprise landscapes for operational performance and/or analytic insights.
Organizations searching out solutions to govern and manipulate Big Data Lakes efficiently (Data Transformations, Governance, Operations, Harmonization, Stream Integration, Coding, Scripting, Consolidation)
Organizations looking to combine and combine a SAP HANA-primarily based landscape (Data Warehouse, BW, etc.) with Big Data Lakes
Question four. When Is It Generally Available?

Answer :

SAP Data Hub is already usually to be had, as of September 1, 2017.

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Question five. What Are The Planned Deployment Options?

Answer :

For the initial launch, SAP Data Hub will be supplied as an on-premise application, that could connect and manner facts in cloud environments (e.G. Data Lakes in Amazon AWS). Its architecture is cloud-geared up, and a PaaS and SaaS version will comply with in future releases.

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Question 6. How Is This Part Of Sap Leonardo?

Answer :

AP Leonardo is a virtual innovation gadget that allows clients to rapidly innovate after which unexpectedly scale that innovation to redefine their enterprise for the virtual world. SAP’s Big Data answers, SAP Data Hub, SAP Vora, and SAP Cloud Platform Big Data Services, are relevant to the Leonardo providing due to the fact they may be key to scale and innovation.  As such, they're offered within the Leonardo Big Data applications.

SAP Data Hub resonates with the core topics of Leonardo, due to the fact:

It minimizes risk and disruption. It works with your existing facts landscape and doesn’t require you to centralize information.
It maximizes your existing generation investments and lets in you to make the maximum of them – it plays the facts in which it lays and it makes use of the processing capabilities closest to the records, so that your records pipelines entire as fast as feasible.
It lets in you to unexpectedly scale innovation, since it makes records pipelining capability available to a broader variety of customers inside your corporation, and it lets in you to without problems construct on successes.
It lets in you to be open to the future. Due to its open structure, now not only do you leverage the maximum of your data from today, regardless of in the cloud, on premises, SAP solution or non-SAP solution, you may also quick and effortlessly undertake new advances, such as in device gaining knowledge of and the subsequent records analytics or processing innovation.
Question 7. What Is The Relation To Sap Analytics?

Answer :

SAP Data Hub allows force price of analytics via optimizing the information pipeline with pace and safety to enable organizations to behave on the proper facts in the second. SAP is the most effective seller within the marketplace that may offer an quit-to-quit software portfolio across Data, Analytics, and Business Applications. SAP Analytics Cloud, a cloud based totally answer for all analytics (built on SAP Cloud Platform); will take benefit of powerful information orchestration competencies with SAP Data Hub, permitting corporations to enhance effective analytical use instances thru the capacity to control, manage and optimize their facts environments.

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Question 8. What Is The Relation To Sap Agile Data Preparation (adp)?

Answer :

SAP Data Hub has a few built-in profiling skills, but may be complemented with SAP ADP as a self-carrier information guidance device. For this use case SAP ADP gives commercial enterprise customers the capabilities to search and get right of entry to their statistics sources, visually manage the records to make it ready for reporting, and post it. It might be interacting closely with SAP Data Hub to deliver this self-carrier to Big Data scenarios. In later releases SAP ADP, will leverage the metadata repository of SAP Data Hub.

Question nine. What Is The Relationship To Sap Data Services, Sap Hana Smart Data Integration (sdi), And Sap Hana Smart Data Quality (sdq)?

Answer :

SAP Data Hub will leverage present client investments and execute SAP HANA SDI/SDQ flowgraphs that run on SAP HANA containers, in addition to leverage SAP Data Services jobs that run on current Data Services job servers. It will now not replace their existing use instances.

SAP Data Hub is designed as a important location to orchestrate, monitor, and model integration flows, wherein SAP Data Services jobs, SAP HANA SDI and SDQ duties, and Big Data flows can be brought collectively.  These SAP EIM products will stay advanced and offered one by one from SAP Data Hub.

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Question 10. What Is The Relationship Between Sap Data Hub And Sap Vora?

Answer :

SAP Vora capabilities are covered in SAP Data Hub, however SAP Data Hub and SAP Vora are designed to cope with one-of-a-kind use instances, based totally on customers’ unique desires.

SAP Data Hub simplifies the orchestration of complex information tactics at the same time as presenting governance throughout modern and diverse landscapes which include big statistics stores, agency statistics stores, corporation programs and cloud solutions.

SAP Vora is an employer-geared up, smooth-to-use in-reminiscence distributed computing engine to help companies discover actionable insights from Big Data, normally stored in Hadoop and NoSQL solutions. It is located for each facts scientists, and as part of multi-tier information approach with Hadoop.

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Question 11. Is Sap Data Hub Yet Another Etl Or Streaming Tool?

Answer :

No. SAP Data Hub is going past classical batch ETL or actual-time streaming. It modernizes these capabilities and makes a speciality of the integration of latest technology, working in allotted landscapes (e.G. Hadoop cluster or public cloud storages). The predominant paradigm is to convey the logic wherein the statistics resides and to leverage the cluster compute electricity. Hence it provides the processing and integration on pinnacle.

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Question 12. Is Data Stored In Sap Data Hub?

Answer :

No. SAP Data Hub does no longer offer its own facts storage. It is a platform to orchestrate and manipulate statistics among current records storages, however isn't always a data warehouse, records mart, or Data Lake on its own.

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Question thirteen. Why Is It Called Sap Data Hub? Does It Centralize Data?

Answer :

SAP Data Hub receives its name from the reality that it gives centralized governance and pipelining abilties – a unified view and records control of the complex records panorama.

Part of the power of the answer resides in its capability to leave the records where it's far. The statistics does not need to be mass centralized with SAP Data Hub. This offers benefits in terms of ease of management and velocity of facts pipeline execution. Customers leverage their present records shops and existing processing abilties.

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