Write a C Program to create a structured data file named Student.dat to store the roll no, name and course. Provide following functions: 1. Accept the values from the user using structure variables. Store the contents in a file. 2. Display the file. 3. The user should be able to add new records to the existing file. And display the new file.
4 42756i had to write the code in such a way that duplicate entries should not entered in sap data base
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