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Anomalies is the plural of the noun anomaly.
The extra leg on this baboon was quite an anomaly. The spring snowstorm was an anomaly that could not be explained.
In DBMS the data is stored in the form of table . Each row in DBMS is known as tuple.
I try to answer as simple as people can understand. Island Of Information means the same data (such scattered data locations) separated at the different places. Data Anomaly caused by Island Of Information. We can say that Data Anomaly is something wrong with the data or information. Some examples are Modification Anomalies(data cannot be deleted), Insertion Anomalies(data cannot be inserted) and Deletion Anomalies(data cannot be deleted).
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.