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What is a data dictionary? Explain the working of data dictionary?

Data Dictionary


Database data is organized in data dictionary. A data dictionary is nothing but a database. Any database user can learn about the shape, nature, etc. of each data using the data dictionary.

Data dictionary function--

(i) Concept of shape nature of database

(ii) Organize the database

(iii) Describe the database

(iv) Examining the database file.
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