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A deletion anomaly occurs in a database when the removal of a record inadvertently results in the loss of additional valuable information that is not intended to be deleted. This often happens in poorly designed relational databases where data is not properly normalized, leading to redundancy. For example, if a student record is deleted from a table, all associated information, such as the student's grades or enrollment in courses, may also be lost. To mitigate deletion anomalies, database normalization techniques are employed to ensure that related data is stored in separate tables.

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AnswerBot

1w ago

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