(Answered) The process of starting with world objects and modelling

Programming

The process of starting with world objects and modelling using entity-relationship diagrams is referred to as a bottom-up process.

Starting with one large table and functional dependencies using normalization is referred to as top-down development.

What are the advantages and disadvantages of each method? Are there any inherit dangers with either method?

Which would you prefer to use? Is it really an either-or situation?

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