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Malini wants to store a huge amount of information about her zone in a database. Should not be repeated in her file. Her friend Gargi explained her various benefits of storing data in RDBMS. It helps in preventing/controlling duplication of data. Which of the following terms is used to refer to duplication data?

(a) Data sharing

(b) Data privacy

(c) Data redundancy

(d) Data integrity

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Correct option is (c) Data redundancy