SAP Program RDDVCDB4 - Parser for the subselect string of a view for DB400

Description
Parser for the subselect-string of a view.
For views the SELECT-statement for creating a view on the database isstored in its file-description. This statement is parsed here and isstored in the tables DB25V to DB28V according to the defintion in theABAP Data-Dictionary.

Precondition
This program is only used in a mySAP ERP on IBM iSeries.