How to Create A Data Dictionary
(CDD)

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This specific unit of instruction is designed to guide the learner in the construction of a Data Dictionary using the data store information from a system-level DFD to identify the entities of the related ERD.

Once the entities (also called files or data stores or data repositories) have been identified, the learner will determine if there are any relationships between entities in the database ( a group of related data stores comprise a data base for a system or company).


Athabasca University

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