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Define Data Dictionary.
The data dictionary can be explained as an organized collection of all the data elements of the system with precise and rigorous explanations so that user and system analyst will have a common understanding of inputs, outputs, components of stores and intermediate calculations.
EXPLAIN COMPONENTS OF DATABASE MANAGEMENT
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An activity in which a system or component is implemented under specified conditions, the results are observed and an evaluation is made of some problem of the system or component.
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