gtpd1m09Database Reference

File Address Formats

The TPF system supports 3 basic logical file structures. They are:

Online files provide a common data repository for related online applications. These applications can provide independent function, but all online applications share the same data repository or online database.

General files and general data sets are usually related to some offline processing. Data is either produced online to be processed offline by MVS programs or data is produced offline for online processing. Both structures provide a data interface between the offline and online system components.