Now, SAP NetWeaver 7.40 SP 5 provides useful tools to create OData services for read-only scenarios via a model-based approach. This gives you the great chance to assemble a standard, optimized implementation of a Gateway Service. The attached document provides you a tutorial, based on the Enterprise Procurement Model (EPM). Here, you will find a detailed guidance on how to join business entities in order to integrate them into a service via the Gateway Service Builder.
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