Q.

Duplication of information in a database is avoided by the process of:

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a

Joining

b

Saving

c

Requirement Analysis

d

Normalisation

answer is D.

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Detailed Solution

Normalization is the process of organizing data in a database. This includes creating tables and establishing relationships between those tables according to rules designed both to protect the data and to make the database more flexible by eliminating redundancy and inconsistent dependency.

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