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- Interview Questions and Answers for 'Unique constraint violated' - 1 question(s) found - Order By Newest

 Q1. When do we generally get the database error - Unique Constraint Violated ?
Ans. This error can result either on an insert, update or delete when any change in data results in duplicate record or subset of it having unique constraint on record or its subset. For example - If we have a unique constraint on a combination of columns and then trying to insert duplicate column values.

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