mysql remove duplicates
DELETE FROM table_name WHERE id
NOT IN ( SELECT id FROM table_name
GROUP BY field_1, field_2)mysql remove duplicates
DELETE FROM table_name WHERE id
NOT IN ( SELECT id FROM table_name
GROUP BY field_1, field_2)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;mysql delete duplicates
DELETE FROM CONTACTS
WHERE ID NOT IN
(SELECT *
FROM (SELECT max(ID)
FROM CONTACTS
GROUP BY EMAIL) t);
-- ⇓ Test it ⇓ (Fiddle source link)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)Copyright © 2021 Codeinu
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