June 2017
Intermediate to advanced
688 pages
16h 8m
English
The business requirements are defined during the requirements phase. The logical design phase refines the business requirements in preparation for a system specification that can be used during physical design and coding. The logical design phase further refines the business requirements that were defined in the requirement phase, from a functional and information model point of view.
The logical design phase establishes a detailed system framework for building the application. Three major deliverables from this phase are the data model, also known as an entity relationship diagram, a process model, and the linkage between the two.
A data model is a representation ...
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