OpenTP1 Version 7 Description

[Contents][Glossary][Index][Back][Next]

4.4 User data files

This section describes the user data files (user files) used in OpenTP1 application processing. Three types of user files are used in OpenTP1:

All OpenTP1 user files are created on an OpenTP1 file.

In addition to these three file types, user files managed by the IST service (which accesses tables in shared memory) or by a database management system (DBMS) can be used in OpenTP1.

Organization of this section
4.4.1 User files: DAM files (TP1/FS/Direct Access)
4.4.2 User files: TAM files (TP1/FS/Table Access)
4.4.3 IST service (TP1/Shared Table Access)
4.4.4 User files: ISAM files (ISAM and ISAM/B)
4.4.5 Accessing database management systems