What is an ABAP data dictionary?
ABAP 4 data dictionary describes the logical structures of the objects used in application development and shows how they are mapped to the underlying relational database in tables/views.
What functions does a data dictionary perform?
In a data management system, the principal functions performed by the data dictionary are
· Management of data definitions.
· Provision of information for evaluation.
· Support for s/w development.
· Support form documentation.
· Ensuring that the data definitions are flexible and up-to-date.