Computer » Database Basics and Architecute

Which of the following products implemented the CODASYL DBTG model?

A

IDMS

B

DB2

C

dBase-II

D

R:base

Solution

The data model proposed by the CODASYL DBTG (see CODASYL) in which data is organized into records of different types and records are organized into sets of different types, both record and set types being named. A particular set type is defined as having an owner record type and one or more member record types.