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SQL Delete Duplicate Records Example

Tables and Columns 

Task:

List duplicate pairs of Order records.
This allows a data analyst to decide which row in each pair to delete.
Click here for details on Duplicates.
 
 14 Records
OrderId FirstName LastName OrderNumber OrderDate
163 Elizabeth Lincoln 542540 8/22/2024 12:00:00 AM
164 Elizabeth Lincoln 542541 8/22/2024 12:00:00 AM
209 Philip Cramer 542586 10/7/2024 12:00:00 AM
210 Philip Cramer 542587 10/7/2024 12:00:00 AM
369 Howard Snyder 542746 3/12/2025 12:00:00 AM
370 Howard Snyder 542747 3/12/2025 12:00:00 AM
466 Jose Pavarotti 542843 6/3/2025 12:00:00 AM
467 Jose Pavarotti 542844 6/3/2025 12:00:00 AM
591 Felipe Izquierdo 542968 8/31/2025 12:00:00 AM
593 Felipe Izquierdo 542970 8/31/2025 12:00:00 AM
725 Daniel Tonini 543102 11/3/2025 12:00:00 AM
726 Daniel Tonini 543103 11/3/2025 12:00:00 AM
783 Jose Pavarotti 543160 11/27/2025 12:00:00 AM
784 Jose Pavarotti 543161 11/27/2025 12:00:00 AM
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