Lecture 04: ABAP Dictionary, Data Element, Domain - SAP ABAP Programming in a Nutshell
The ABAP Dictionary centrally describes and manages all the data definitions used in the system. All tables and other components, which are created in the Dictionary are global accessible in the whole SAP system. So all the other components (like Reports, function modules, classes…) can actively access the definitions stored in the Dictionary.
This is an extract/preview of the full course! Here's an overview of all my courses: https://qr1.at/1q53pb
Domains are technical specifications, where you define the technical type of a field.
Data elements describe fields in a business context. The technical attributes are inherited from a domain.
You can use the data elements in your database table to describe the table columns.
Global structures and table types can be defined in the dictionary, as well.
Once defined in the dictionary, you can use it in your ABAP report.