SAP S/4HANA Developer Guides
In-depth explainers on CDS Views, OData Services, VDM, Fiori Apps, and the SAP S/4HANA data model — with live examples from the CDSee database.
What Is a CDS View in SAP S/4HANA?
A complete introduction to Core Data Services (CDS) Views in SAP S/4HANA — what they are, why they exist, and how they replace classical SQL views.
Read guide →Types of CDS Views: Basic, Composite, Consumption, and Transactional
Understand the four VDM layers of SAP CDS Views — Basic, Composite, Consumption, and Transactional — and when each type is used.
Read guide →SAP Tables vs CDS Views — Key Differences
Learn the difference between physical SAP DDIC tables and CDS Views, including when to use each and how CDS Views abstract the data model.
Read guide →Understanding Data Lineage in SAP S/4HANA
Explore how data flows from physical tables through CDS View chains to consumption layers in SAP S/4HANA, and how to trace field lineage.
Read guide →OData Services in SAP S/4HANA Explained
A practical guide to OData V2 and V4 services in SAP S/4HANA — how they are built from CDS Views, how to find them, and how to consume them.
Read guide →Service Bindings and Service Definitions in SAP S/4HANA
Understand the relationship between SRVD (Service Definitions) and SRVB (Service Bindings) in the SAP ABAP RESTful Application Programming Model.
Read guide →SAP Fiori Apps Architecture — How Fiori Apps Connect to Data
Learn how SAP Fiori applications are built on top of OData services and CDS Views, from the UI layer down to physical tables.
Read guide →VDM (Virtual Data Model) in SAP S/4HANA Explained
The SAP Virtual Data Model (VDM) is a layered architecture of CDS Views. This guide explains each VDM layer and its purpose.
Read guide →CDS View Annotations — A Complete Guide
CDS annotations control UI rendering, OData exposure, search, and authorization. This guide covers the most important annotation namespaces.
Read guide →CDS View Field Mapping and Associations
Deep dive into how CDS Views map fields from source tables and define associations between views for navigation and joins.
Read guide →Understanding the SAP S/4HANA Data Model
SAP S/4HANA consolidates data into a simplified structure. Learn how its core tables, universal journal, and CDS Views form a coherent data model.
Read guide →API Business Hub and OData APIs in SAP S/4HANA
The SAP Business Accelerator Hub publishes all released SAP OData APIs. Learn how to find, evaluate, and consume them.
Read guide →CDS View Extensions and Custom Fields in SAP S/4HANA
How to extend standard SAP CDS Views using CDS View Extensions and Key User Extensibility without modifying SAP objects.
Read guide →Released APIs and Stability Contracts in SAP S/4HANA
SAP classifies APIs by release state (C1 contract) to indicate stability. Learn what Released and Deprecated mean for CDS Views and OData services.
Read guide →Getting Started with CDSee — Your SAP S/4HANA Explorer
CDSee lets you explore over 100,000 CDS Views, Tables, and OData Services from SAP S/4HANA. Here is how to get the most out of it.
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