HANA CDS Views In Simple Words- SAP ABAP ON HANA.
SAP HANA supports SQL as a means to define, read, and manipulate data. On top of SQL, many technologies introduce higher-level models to add semantics and ease consumption, such as OData EDM models, the semantic layer in the BI platform, JPA and enterprise objects in Java, and the business objects frameworks in ABAP. These higher-level models share many commonalities, but are usually specific to their technology. This prevents their re-use across stacks and increases effort for application developers. To address this, SAP introduces a set of domain-specific languages and services, called CDS, for defining and consuming semantically rich data models. The Core data Services (CDS) views are collection of below three domain specific languages and services for consuming semantically rich data models. Data Definition Language (DDL): The DDL part of CDS can be considered an enhancement of SQL that allows you to define semantically rich database tables and views, often referred to...