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Scope of Documentation. This documentation describes the functionality and usage of tools for Core Data Services (CDS) in ABAP development for SAP HANA scenarios. In particular, it focuses on use cases for creating, editing, testing, and analyzing ABAP CDS entities using the Eclipse-based IDE.
The most important CDS modeling entities are CDS View entities. The CDS View definition contains re-usable SQL logic; sometimes as simple as a projection of table fields and sometimes more sophisticated with calculations, aggregations, joins, unions, and so on.
Tutorial: Create an ABAP Core Data Services (CDS) View in ABAP On-Premise. CDS is an extension of the ABAP Dictionary that allows you to define semantically rich data models in the database and to use these data models in your ABAP programs. CDS is a central part of enabling code push-down in ABAP applications.
10 cze 2024 · Software Product Function. View products (3) To take advantage of SAP HANA for application development, SAP introduced a new data modelling infrastructure known as Core data services. With CDS, data models are defined and consumed on database server rather than on application server.
The code listing below shows the basic interface view for purchase documents, which creates simple projection on the purchase document table (table zpurchdocument) to expose all table fields and provide camel case aliases for fields that are relevant to end users.
26 cze 2023 · CDS View Performance Best Practice – NOT NULL preserving LEFT OUTER JOIN. There is already a series of blog posts available that introduces the topic quite well: Part 1 - CDS View Complexity. Part 2 - SAP HANA SQL Optimizer and Plan Cache. Part 3 - Rules for Good Performance of CDS Views.
25 sty 2022 · Create a CDS View, display it in Fiori Elements preview, and enhance its appearance using built-in annotations. You will learn. How to create a read-only CDS-based travel model. How to display this CDS entity in a Fiori Elements preview. How to extract the metadata of your CDS entity. How to add semantic annotations.
