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Database Management System

Why are dupli...

Question

Why are duplicate tuples not allowed in a relation?

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Solution

Duplicate tuples are not allowed in a relation because they create redundancy of data inside a data base which slows down the data processing like querying, inserting, deleting, updating etc. of the database.

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Q. The number of tuples in a relation is called its ___ , while the number of attributes in a relation is called it's ___.

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