Answers for "how to remove duplicate data in mysql query"

SQL
3

mysql remove duplicates

DELETE FROM table_name WHERE id 
       NOT IN ( SELECT id FROM table_name 
                   GROUP BY field_1, field_2)
Posted by: Guest on June-18-2020
1

mysql delete duplicate rows but keep one

DELETE c1 FROM contacts c1
INNER JOIN contacts c2 
WHERE
    c1.id > c2.id AND 
    c1.email = c2.email;
Posted by: Guest on February-04-2021
0

mysql delete duplicate rows except one

DELETE FROM NAMES
 WHERE id NOT IN (SELECT * 
                    FROM (SELECT MIN(n.id)
                            FROM NAMES n
                        GROUP BY n.name) x)
Posted by: Guest on July-18-2020

Code answers related to "how to remove duplicate data in mysql query"

Code answers related to "SQL"

Browse Popular Code Answers by Language