Answers for "query to delte duplicate data from table in mysql"

SQL
2

how to delete all duplicate items in mysql

DELETE FROM FriendsData WHERE fID 
       NOT IN ( SELECT fID FROM FriendsData 
                   GROUP BY UserID, FriendsUserID, IsSpecial, CreatedBy)
Posted by: Guest on April-17-2020
0

mysql delete duplicate rows

DELETE FROM table_name 
WHERE 
	id IN (
	SELECT 
		id 
	FROM (
		SELECT 
			id,
			ROW_NUMBER() OVER (
				PARTITION BY field_1
				ORDER BY field_1) AS row_num
		FROM 
			table_name
		
	) t
    WHERE row_num > 1
);
Posted by: Guest on August-02-2020

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