Data Dictionary
An organized approach for representing the characteristics of each data object and control item
Data dictionary (Yourdan): an organized listing of of all data elements that are pertinent to the system, with precise, rigorous definitions so that both user and system analyst will have a common understanding of inputs, outputs, components of stores and (even) intermediate calculations
typical contents
- name
- alias
- where-used/how-used
- content description
- supplementary information
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