What is CDS variant in SAP BC-ABA - ABAP Runtime Environment?

SAP Term: CDS variant

• Component: BC-ABA

• Component Name: ABAP Runtime Environment

• Description: CDS object defined in the ADT of the ABAP CDS. A CDS variant consists of a name that can be used to join a CDS metadata extension in the statement ANNOTATE with the CDS variant. When annotations are evaluated, a CDS variant can be specified to select the corresponding CDS metadata extension

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• Key Concepts: 
  CDS variant is a feature of the ABAP runtime environment that allows developers to create multiple versions of the same CDS view. This allows developers to create different versions of the same view for different purposes, such as for different user roles or for different business scenarios. 
  
  How to use it: 
  To use CDS variants, developers must first create a CDS view. Once the view is created, they can then create variants of the view by adding additional parameters or filters. These variants can then be used in different contexts, such as in reports or in other CDS views. 
  
  Tips & Tricks: 
  When creating CDS variants, it is important to ensure that the variant is optimized for the specific purpose it is intended for. This means that developers should only add parameters or filters that are necessary for the specific context in which the variant will be used. 
  
  Related Information: 
  For more information on CDS variants, please refer to the SAP documentation on ABAP runtime environment (BC-ABA). Additionally, there are several online tutorials and resources available that provide more detailed information on how to use CDS variants.