1. Wasted Storage Space.
2. More difficult Database Updates.
3. A Possibility of Inconsistent data.
Note: A solution to the problem is to place the redundant data in a separate table, one in which the data no longer will be redundant.
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Duplication of data is data redundancy. It leads to the problems like wastage of space and data inconsistency.
problems associated with redundancy in data base,Redundancy occurs in same data multiple time tends to several problems some times redundancy controlling is necessary to improve the performance of the query.
controlling data redundancy
its called data redundancy.
DBMS stands for database management system. DBMS reduce data redundancy as it checks if the data is duplicate and if duplicate then store it as a single record.