15. Association and Navigation in OData, Deep Entity in OData Services, Get Expanded EntitySet
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Association & Navigation in OData | Deep Entity Implementation | GET_EXPANDED_ENTITYSET Method in SAP ABAP
In this video, we dive deep into one of the most powerful features of OData Services in SAP ABAP — Associations, Navigation, and Deep Entities. You’ll learn how to connect multiple entities using associations, enable data traversal through navigation properties, and implement Deep Entity to handle complex data relationships in a single OData call.
We’ll also explore how to use the GET_EXPANDED_ENTITYSET method to fetch hierarchical data (Header–Item) structure efficiently — a real-world skill for professional SAP ABAP and Fiori developers.
What You’ll Learn in This Video:
Understanding Associations and Navigation in OData Services How to link Header and Item entities using Associations
Implementing Deep Entity to handle multi-level data
Using GET_EXPANDED_ENTITYSET method for fetching nested data
Real-time example of Header-Item relationship in SEGW
Testing the Deep Entity service in Gateway Client or Postman
Best practices for handling multi-table data relationships in OData
By the End of This Video, You’ll Be Able To:
Implement association and navigation between multiple entities
Use Deep Entity to perform complex GET operations
Expose hierarchical data (Header–Item–SubItem) via OData service
Write clean and efficient code for GET_EXPANDED_ENTITYSET
Handle real-time SAP business scenarios using OData Deep Structures
Who Should Watch This Video:
SAP ABAP Developers working on OData and Fiori applications
Learners exploring Deep Entities and Associations in OData
Professionals working with RAP and Gateway Services
Anyone preparing for SAP ABAP technical interviews
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