Using a data dictionary

If you use the IBM® DB/DC Data Dictionary licensed program (program number 5740-XXF), you can use several of its features to assist in system and network documentation. The product supports interactive processing, enabling you to use a terminal to create the documentation at your convenience.

The product provides standard categories for databases, segments, fields, PSBs, PCBs, transactions, programs, and the system. You can use these categories to build up detailed descriptions of the online IMS system resources. Procedures and execution JCL can also be recorded (as User Data). Three of the stage 1 macros—APPLCTN, DATABASE, and TRANSACT—can be produced as card output.

You can use the Extensibility Feature to define terminal subjects and specify a selection of attributes to record for each terminal. With the Description and User Data segments, other free-form text can be associated with the terminal subjects.

For more information about the IBM DB/DC Data Dictionary, see IBM DB/DC Data Dictionary Administration and Customization Guide, SH20-9174.