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State Entity and relationship diagram.
ERD depicts linkage between data objects.
The ERD is the notation that is used to execute the data modelling activity.
The primary mechanism involved in the ERD is:
Data objects, attributes relationships and various types of indicators.
Problem: (a) Briefly explain the requirement capture methods. (c) Using examples, write short notes on the following: i) Aggregation ii) Composition iii) Generalisation
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Explain any ten case tools
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Software
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