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Ssadm version 4 a user's guide the mcgraw-hill international series in software engineering - Ssadm Version 4 A User -

The analysis is done in two stages. The first task done by the developer is to create the Requirements Specification - this is really a statement of what we are to do with the current system in order to produce the required system. Stage 2 then develops a range of options that meet the defined requirements, and selects one option as the basis for the desired system.

SSADM revolves around the use of three key techniques, namely Logical Data Modelling, Data Flow Modelling and Entity/Event Modelling.