Question

What is dictionary explain with example in data structure?

Answer 1

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In the case of a table, data dictionary provides information about
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Its nameSecurity information like who is the owner of the table, when was it created, and when it was last accessed.Physical information like where is the data stored for this tableStructural information like its attribute names and its datatypes, constraints and indexes. 

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Answer 2

dictionary is collection of data with n numbers of tuples..