What does data dictionary is a special file contains, Database Management System

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What does data dictionary is a special file contains ?

The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files and The data type of all fields in all files.


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What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an

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