What type of relationships exist among the items in a data dictionary?
What will be an ideal response?
Significant relationships exist among the items in a data dictionary. For example, data stores and data flows are based on data structures, which in turn are composed of data elements. Data flows are connected to data stores, entities, and processes. Accurately documenting these relationships is essential so the data dictionary is consistent with the DFDs. The more complex the system, the more difficult it is to maintain full and accurate documentation. Fortunately, modern CASE tools simplify the task by flowing documentation automatically from the modeling diagrams into the central repository, along with information entered by the user.
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What are the four organizational levels in a typical company?
What will be an ideal response?