Skip to content

ABAP Keyword Documentation →  ABAP - Dictionary 

Built-In Data Types in ABAP Dictionary

The built-in data types in ABAP Dictionary are used as follows:

  • They are used to construct the actual data types (data elements, structures (including database tables and views), table types, and CDS entities) in ABAP Dictionary. In ABAP, however, they cannot be addressed directly using only these types and are therefore known as external data types.
  • They have special technical and semantic attributes that support modeling of semantic models.
  • They represent an interface between the built-in ABAP types and all possible vendor-specific data types of the supported databases. A corresponding mapping takes place in both directions.

The following sections describe the attributes of the built-in data types in ABAP Dictionary:

Other versions: 7.31 | 7.40 | 7.54


The database table DEMO_DDIC_TYPES has columns with many different built-in data types of ABAP Dictionary.


Overview of All Built-In Dictionary Types

Attributes of the Predefined Dictionary Types

Use of the Built-In Dictionary Types