Answers for "remove duplicate rows mysql"

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

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

Code answers related to "remove duplicate rows mysql"