Chapter 55 Data Modelling - Introduction. Compiled by Eddie Moorcroft Source: P M Heathcote A level ICT. Traditional file approach. Most organisations began information processing on a small scale, by computerising each department independently, one by one.
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Chapter 55 Data Modelling - Introduction
Compiled by Eddie Moorcroft
Source: P M Heathcote A level ICT
(One to One)
(One to Many)
(Many to Many)