Q. What is View Proxy in ABAP? Ans. View Proxy is used to pull the data from a view in ABAP. To expose a Data Model to the application layer ( ABAP Layer ), SAP NW SP onwards, provides a feature called View Proxy which allows SAP HANA data models to communicate with the ABAP Layer using ADT in eclipse and lock the objects in a Delivery unit to transport the objects. Q. What is Hierarchy? And. Hierarchy is used to realize data based on relation of data characteristics. Click on Semantics -> Hierarchy Tab -> Two types of hierarchy Level based hierarchy – Relation between master data w.r.t. groups, these groups can come from multiple tables Parent-child hierarch – the relation works as self-relation. In this the table has a relation with itself and mark one of the column as parent and another a child. E.g. manager employee relation.
