Delete Duplicate Key Id Values on a SQL Server Table One by One

DeleteonebyOne.sql

USE TableName

MERGE TOP (1) Product_Master_Table AS a
USING 
    (SELECT model_number,COUNT(*) AS dupeCount
     FROM Product_Staging_Table
     WHERE model_number <> '' AND model_number IS NOT NULL
     GROUP BY model_number 
	 HAVING COUNT(*) > 1) AS b

ON a.model_number = b.model_number
WHEN MATCHED
THEN DELETE;