Question

What is data redundancy and how can you avoid it?​

Answer 1

Answer:

Database normalization prevents redundancy and makes the best possible usage of storage. The proper use of foreign keys can reduce data redundancy and the chance of destructive anomalies appearing. The efficiency of database system can sometimes be traced back to redundant data design.

Explanation:

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Answer 2

Answer:HEY HAPPY FRIDAY I AM AKANKSHA HERE IS YOUR ANS

Explanation: Data redundancy occurs in database systems which have a field that is repeated in two or more tables. ... Data redundancy leads to data corruption and should be avoided when creating a relational database consisting of several tables. Database normalization prevents redundancy and makes the best possible usage of storage

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