--- description: 1) Mention what is SAP HANA? SAP HANA stands for High Performance Analytical Appliance- in-memory computing engine. HANA is linked to ERP systems; Frontend modeling studio can be used for replication title: Top 15 SAP HANA Interview Questions & Answers in 2026 image: https://www.guru99.com/images/sap-hana/030316_0505_SAPHANASTUD3.png --- [Skip to content](#main) Here are SAP HANA interview questions and answers for fresher as well experienced candidates to get their dream job. ## SAP Hana Interview Questions and Answers for Freshers ### 1) Mention what is SAP HANA? SAP HANA stands for High Performance Analytical Appliance- in-memory computing engine. HANA is linked to ERP systems; Frontend modeling studio can be used for replication server management and load control. --- ### 2) Mention the two types of Relational Data stored in HANA? The two types of relational data stored in HANA includes * Row Store * Column Store [👉 Free PDF Download: SAP HANA Interview Questions & Answers](#cb380f0481) --- ### 3) Mention what is the role of the persistence layer in SAP HANA? [SAP HANA](https://www.guru99.com/sap-hana-tutorial.html) has an in-memory computing engine and access the data straightaway without any backup. To avoid the risk of losing data in case of hardware failure or power cutoff, persistence layer comes as a savior and stores all the data in the hard drive which is not volatile. --- ### 4) Mention what is modeling studio? Modeling studio in HANA performs multiple task like * Declares which tables are stored in HANA, first part is to get the meta-data and then schedule data replication jobs * Manage Data Services to enter the data from SAP Business Warehouse and other systems * Manage ERP instances connection, the current release does not support connecting to several [ERP](https://www.guru99.com/erp-full-form.html) instances * Use data services for the modeling * Do modeling in HANA itself * essential licenses for SAP BO data services ![]() --- ### 5) Mention what are the different compression techniques? There are three different compression techniques * Run-length encoding * Cluster encoding * Dictionary encoding --- ### 6) Mention what is latency? Latency is referred to the length of time to replicate data from the source system to the target system. --- ### 7) Explain what is transformation rules? Transformation rule is the rule specified in the advanced replication setting transaction for the source table such that data is transformed during the replication process. --- ### 8) Mention what is the advantage of SLT replication? * [SAP SLT](https://www.guru99.com/slt-sap-landscape-transformation-replication-server-in-sap-hana.html) works on trigger based approach; such approach has no measurable performance impact in the source system * It offers filtering capability and transformation * It enables real-time data replication, replicating only related data into HANA from non-SAP and SAP source systems * It is fully integrated with HANA studios * Replication from several source systems to one HANA system is allowed, also from one source system to multiple HANA systems is allowed. --- ## SAP Hana Interview Questions and Answers for Experienced ### 9) Explain how you can avoid un-necessary information from being stored? To avoid un-necessary information from being stored, you have to pause the replication by stopping the schema-related jobs ### RELATED ARTICLES * [DATA Provisioning & Replication in SAP HANA ](https://www.guru99.com/data-provisioning-sap-hana.html "DATA Provisioning & Replication in SAP HANA") * [SAP HANA Modeling: Views, Tables & Data Models ](https://www.guru99.com/sap-hana-modeling.html "SAP HANA Modeling: Views, Tables & Data Models") * [SAP DS (Data Services) in HANA ](https://www.guru99.com/sap-ds-sap-data-services-in-sap-hana.html "SAP DS (Data Services) in HANA") * [SAP HANA Direct Extractor Connection (DXC) Tutorial ](https://www.guru99.com/sap-hana-direct-extractor-connection-dxc-in-sap-hana.html "SAP HANA Direct Extractor Connection (DXC) Tutorial") --- ### 10) Mention what is the role of master controller job in SAP HANA? The job is arranged on demand and is responsible for * Creating database triggers and logging table into the source system * Creating Synonyms * Writing new entries in admin tables in SLT server when a table is replicated/loaded --- ### 11) Explain what happens if the replication is suspended for a longer period of time or system outage of SLT or HANA system? If the replication is suspended for a longer period of time, the size of the logging tables increases. --- ### 12) Mention what is the role of the transaction manager and session? The transaction manager co-ordinates database transactions and keeps a record of running and closed transactions. When transaction is rolled back or committed, the transaction manager notifies the involved storage engines about the event so they can run necessary actions. --- ### 13) Explain how you can avoid un-necessary logging information from being stored? You can avoid un-necessary logging information from being stored by pausing the replication by stopping the schema-related jobs. --- ### 14) Explain how SQL statement is processed? In the HANA database, each[ SQL ](https://www.guru99.com/sql.html)statement is implemented in the reference of the transaction. New session is allotted to a new transaction. --- ### 15) Name various components of SAP HANA? * **SAP HANA DB** * [**SAP HANA Studio**](https://www.guru99.com/sap-hana-studio.html) * **SAP HANA Appliance** * **SAP HANA Application Cloud** These interview questions will also help in your viva(orals) #### Summarize this post with: ChatGPT Perplexity Grok Google AI **Stay Updated on AI** **Get Weekly AI Skills, Trends, Actionable Advice.** ##### Sign up for the newsletter Subscribe for Free You have successfully subscribed. Please check your inbox. ![AI-Newsletter]() Chosen by over **350,000+** professionals [Scroll to top ](#wrapper)Scroll to top × Toggle Menu Close Search for: Search ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://www.guru99.com/#organization","name":"Guru99","sameAs":["https://www.facebook.com/Guru99Official","https://twitter.com/guru99com"],"logo":{"@type":"ImageObject","@id":"https://www.guru99.com/#logo","url":"https://www.guru99.com/images/guru99-logo-v1-150x59.png","contentUrl":"https://www.guru99.com/images/guru99-logo-v1-150x59.png","caption":"Guru99","inLanguage":"en-US"}},{"@type":"WebSite","@id":"https://www.guru99.com/#website","url":"https://www.guru99.com","name":"Guru99","publisher":{"@id":"https://www.guru99.com/#organization"},"inLanguage":"en-US"},{"@type":"ImageObject","@id":"https://www.guru99.com/images/sap-hana/030316_0505_SAPHANASTUD3.png","url":"https://www.guru99.com/images/sap-hana/030316_0505_SAPHANASTUD3.png","width":"200","height":"200","inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https://www.guru99.com/sap-hana-interview-questions.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":"1","item":{"@id":"https://www.guru99.com","name":"Home"}},{"@type":"ListItem","position":"2","item":{"@id":"https://www.guru99.com/sap-hana","name":"SAP-HANA"}},{"@type":"ListItem","position":"3","item":{"@id":"https://www.guru99.com/sap-hana-interview-questions.html","name":"Top 15 SAP HANA Interview Questions & Answers in 2026"}}]},{"@type":"WebPage","@id":"https://www.guru99.com/sap-hana-interview-questions.html#webpage","url":"https://www.guru99.com/sap-hana-interview-questions.html","name":"Top 15 SAP HANA Interview Questions & Answers in 2026","dateModified":"2024-07-02T18:38:25+05:30","isPartOf":{"@id":"https://www.guru99.com/#website"},"primaryImageOfPage":{"@id":"https://www.guru99.com/images/sap-hana/030316_0505_SAPHANASTUD3.png"},"inLanguage":"en-US","breadcrumb":{"@id":"https://www.guru99.com/sap-hana-interview-questions.html#breadcrumb"}},{"@type":"Person","@id":"https://www.guru99.com/author/mason","name":"Mason Garcia","description":"I'm Mason Garcia, an SAP CRM, FICO, and HANA Consultant, specializing in configuring and optimizing SAP systems for enhanced business performance.","url":"https://www.guru99.com/author/mason","image":{"@type":"ImageObject","@id":"https://www.guru99.com/images/mason-garcia-author.png","url":"https://www.guru99.com/images/mason-garcia-author.png","caption":"Mason Garcia","inLanguage":"en-US"},"worksFor":{"@id":"https://www.guru99.com/#organization"}},{"@type":"NewsArticle","headline":"Top 15 SAP HANA Interview Questions & Answers in 2026","keywords":"interview","dateModified":"2024-07-02T18:38:25+05:30","articleSection":"SAP-HANA","author":{"@id":"https://www.guru99.com/author/mason","name":"Mason Garcia"},"publisher":{"@id":"https://www.guru99.com/#organization"},"description":"1) Mention what is SAP HANA? SAP HANA stands for High Performance Analytical Appliance- in-memory computing engine. HANA is linked to ERP systems; Frontend modeling studio can be used for replication","copyrightYear":"2024","copyrightHolder":{"@id":"https://www.guru99.com/#organization"},"name":"Top 15 SAP HANA Interview Questions & Answers in 2026","@id":"https://www.guru99.com/sap-hana-interview-questions.html#richSnippet","isPartOf":{"@id":"https://www.guru99.com/sap-hana-interview-questions.html#webpage"},"image":{"@id":"https://www.guru99.com/images/sap-hana/030316_0505_SAPHANASTUD3.png"},"inLanguage":"en-US","mainEntityOfPage":{"@id":"https://www.guru99.com/sap-hana-interview-questions.html#webpage"}}]} ```