Question

Which of the following refers to data redundancy? (a) Deletion of Data (b) Repetition of Data (c) Decomposition of tables (d) Relationships of tables

Answer 1

"Option (b) Repetition of Data.

The term data redundancy refers to repetition of data. In a database, there can be an additional data, that is a single data in multiple fields. When there is a data in more than a field is said to be redundant.

This is the most common issue in a database.This can also permit correct of errors and transmission of data in the fields.

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