Anyone can help on , How to remove the duplicate records. Anyone has implemented it ?
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The best approach would be to not allow duplicates in the first place. That is accomplished by having a properly designed (normalized) database structure using foreign key constraints and is ACID compliant.
Based on your question, I assume your database isn't properly designed. Since you haven't given any info about your database, it's impossible for anyone to tell you how to remove your unwanted data.
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