A tabular file has nothing comparable to a segment. The concept of data segments is one of the things that makes a hierarchical database different from a SAS data set and other tabular files. The rows ...

IBM later this month plans to release Version 10 of its Information Management System (IMS), a 39-year-old database originally built to help land men on the moon. IMS is a combination hierarchical ...

BMC introduced a new mainframe product for IBM IMS, the leading database management system for the IBM System z mainframe. The BMC Fast Path Online Restructure/EP solution is designed to reduce ...