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.
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本文转自沧海-重庆博客园博客，原文链接：http://www.cnblogs.com/omygod/archive/2008/11/06/1327899.html，如需转载请自行联系原作者
