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SQL Delete Duplicates Intro Example

Tables and Columns 

Task:

Before deleting duplicates you have to find them.
Duplicates are identified using a CTE on the Order table.
Click here for details on Duplicates.
 
 7 Records
FirstName LastName OrderDate RowNumber
Elizabeth Lincoln 3/19/2025 12:00:00 AM 2
Philip Cramer 5/4/2025 12:00:00 AM 2
Howard Snyder 10/7/2025 12:00:00 AM 2
Jose Pavarotti 12/29/2025 12:00:00 AM 2
Felipe Izquierdo 3/28/2026 12:00:00 AM 2
Daniel Tonini 5/31/2026 12:00:00 AM 2
Jose Pavarotti 6/24/2026 12:00:00 AM 2
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