Creating Dataviews for Sequential Files › Defining Modeled Sequential Files › Modeled Sequential File Structures and Dataviews

Modeled Sequential File Structures and Dataviews

In CA Ideal, a dataview of a sequential file appears as a collection of fields comprising a record in a sequential file. Internally, the dataview is an entity‑occurrence related through the DVW‑ELM‑ACCESS relationship to a single element comprising the record for the file.

The DBA must create the file model entity‑occurrences and the dataview entity‑occurrence and relate them for successful cataloging, compilation, and running in CA Ideal. The Datadictionary documentation describes the steps the Data Administrator follows in defining the database structure and dataviews.

This section summarizes the creation of dataviews using DDOL (Datadictionary Online) FILEMAINT mode. You can also use the Datadictionary Batch Utility, DDUPDATE, to create and maintain dataviews and their related file structure in batch. The Datadictionary documentation provides a complete description of the information summarized here.

For steps required before execution, see Runtime Considerations for Sequential File Dataviews in this chapter.