Q. What are the other three engines which are part of SAP HANA? Ans. Calculation Engine index-server architecture procedural logic Join Engine regular SQL using joins OLAP Engine aggregation Q. Processing of models in the engine? Ans. Q. What are different techniques of creating a Calculation view? Ans. Graphical Editor and SQL Script Editor Q. What is a Star Schema in ABAP on HANA? Ans. When we combine data of dimension (master) with measure (transaction, it becomes Star Schema. And to join two or more Star Schemas, it is done by Calculation View.