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ABENDDIC_DOMAINS - DDIC DOMAINS

ABENDDIC_DOMAINS - DDIC DOMAINS

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- Domains

A DDIC domain is a standalone dictionary object that defines technical and semantic attributes of elementary data types. Data elements can be defined with reference to a domain and inherit the attributes defined there. Domains can only be used in DDIC data elements. A domain can be used by any number of data elements.

The name of a domain must follow the naming rules for DDIC data types but it is located in a different namespace from data types. A domain can have the exact same name as a data type and, more particularly, a data element.

Notes

  • Redundant domains should not occur within an application component or a package. Domains that only have technical attributes must be created as reusable domains in central basis packages. One example is the domain CHAR255.
  • The fixed values of a domain can be used as special literals in CDS views as well as the entire domain being used in data elements.
  • A domain describes the attributes of an elementary data type but is not a data type itself. More specifically, a domain cannot be specified after a TYPE addition in ABAP.





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