Concepts of Network Model and Hierarchical Data Structure – Part 1

Introduction This article delivers an overview of the network data model as well as the hierarchical data model. The network model as well as the original language were presented in the report of the CONFERENCE/COMMITTEE ON DATA SYSTEMS LANGUAGES (CODASYL) database work group of 1971. That is why it is sometimes called the DBTG model. The revised reports of 1978…