DATA DICTIONARY

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Data Dictionary is defined as the set of information which is responsible for describing the contents, format, and structure of a database and the relationship between its elements. The Data Dictionary are basically used to control access to and manipulation of the database.

Another way we can say that Data Dictionary acts as an automated or a manual, active or a passive file which has the ability to store the definitions of the data elements and the data characteristics. The Data Dictionary is actually the repository of the information about the data. Data Dictionary defines each of the data elements and also gives it a name for the easy access.

A Data Dictionary contains :


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