What is create-by-association operation in SAP BC-ESI-RAP - RESTful ABAP Programming Model?

SAP Term: create-by-association operation

• Component: BC-ESI-RAP

• Component Name: RESTful ABAP Programming Model

• Description: A modify operation that is used to create instances of the associated child entity by the source of the association parent entity

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• Key Concepts: 
  Create-by-association operation is a feature of the BC-ESI-RAP RESTful ABAP Programming Model. It allows developers to create an entity in the database by associating it with an existing entity. This operation is used to create a new entity in the database without having to manually enter all the data associated with it. 
  
  How to use it: 
  To use the create-by-association operation, developers must first define the association between two entities in the database. This can be done by creating a foreign key relationship between them. Once this is done, developers can then use the create-by-association operation to create a new entity in the database that is associated with an existing entity. 
  
  Tips & Tricks: 
  When using the create-by-association operation, it is important to ensure that all of the data associated with the new entity is valid and correct. This will help ensure that the new entity is created correctly and that any data associated with it is accurate. Additionally, it is important to ensure that all of the data associated with the existing entity is also valid and correct before creating a new entity using this operation. 
  
  Related Information: 
  The BC-ESI-RAP RESTful ABAP Programming Model also includes other operations such as read, update, delete, and query operations. These operations can be used to retrieve, modify, or delete data from the database as well as query for specific information. Additionally, developers can also use these operations to perform complex tasks such as creating reports or performing calculations on data stored in the database.