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 ...

A physical database is defined to IMS-DL/I in one DBD, which is described later in this section. A physical database is limited to 15 hierarchical levels and 255 segment types (up to 254 dependent ...

Object-based storage dispenses with the hierarchical file system, so there are no nested subfolders. Instead, it uses an indexed flatfile structure in which each object is given a unique ID. Each ...

With vast increases in biological data generation, mechanisms for data storage and analysis have become limiting. A data structure, semantically typed data hypercubes (SDCubes), that combines ...