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SAP RAP Read only Applications : Association, Compositions and Line Item reference

Unlock the power of SAP RAP Read Only Applications by mastering the way associations, compositions, and line item references create robust, display-only reports in SAP Fiori and ABAP environments. In this tutorial, you'll learn: What makes an application "Read Only" in RAP: No create, update, or delete—just advanced data display. Associations vs. Compositions: Discover how CDS views link tables and define business objects. Associations create flexible relationships, while compositions establish strict parent-child links where the child can't exist without the parent. Line Item Reference: Learn to use @UI.lineItem and related annotations to present table data elegantly on List Reports and Object Pages. See how reference annotations connect multiple entities and enable navigation for enhanced reporting experiences. Annotation Best Practices: Step through UI annotation set-ups for display-only fields, position settings, and facet configurations that control which data the user sees and how reference data appears in multi-entity scenarios. Practical Example: Watch a walkthrough creating a reporting app that displays linked flight details using associations and compositions—illustrating list items, object page navigation, and line item referencing to visualize connections between your CDS entities. By the end of this tutorial, you'll be able to structure read-only business reports in SAP RAP, confidently differentiate when to use associations or compositions, and craft visually rich SAP Fiori screens that are both secure and user-friendly. Perfect for developers new to RAP or anyone looking to enhance their SAP reporting apps with expert annotation and data modeling techniques. Want to get the document used in the video: https://topmate.io/abapbean/1668064 Know the basics of RAP, Learn the advanced topics today: https://topmate.io/abapbean/1668217 My Favourite SAP Press Books : 1. RAP : https://amzn.to/3H6Pw0u 2. Fiori : https://amzn.to/46FrLXF 3. HANA Development : https://amzn.to/46FrLXF 4. Devops with SAP : https://amzn.to/45mpXkd What I am reading this month : https://amzn.to/46XxZm3