Core Data Services for ABAP

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If you're developing ABAP applications, you need CDS expertise. This book is your all-in-one guide, updated for SAP S/4HANA 2023! Start by learning to create and edit CDS views. Walk through CDS syntax and see how to define associations and annotations. Further refine your model by implementing access controls, service bindings, and table functions. Understand the CDS-based virtual data model, and then follow step-by-step instructions to model analytical and transactional applications. From modeling to testing to troubleshooting, this is the only book you need!In this book, you'll learn about:a. Creating Data Models Create data models using CDS! Learn the ins and outs of CDS view syntax, from key fields to joins to data types and beyond. Define associations to establish relationships, use annotations to enrich your logic, implement conditional logic to control access, and more.b. Modeling Applications See how CDS views support a new application architecture. Model analytical applications by defining analytical views and queries, then use CDS for transactional applications based on the ABAP RESTful application programming model. c. Extending, Testing, and TroubleshootingPut the finishing touches on your CDS data models. Extend and enhance CDS views and transactional models, develop automated tests using the test double framework, and troubleshoot common problems. Highlights include:1) Data modeling 2) Application modeling3) Associations4) Annotations5) Access controls6) Business services 7) SAP HANA functions8) Virtual data model9) Analytical and transactional applications10) Hierarchies11) Extensibility12) Testing and troubleshooting