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)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)mysql remove duplicates
DELETE t1 FROM contacts t1
INNER JOIN contacts t2
WHERE
t1.id < t2.id AND
t1.email = t2.email;Code language: SQL (Structured Query Language) (sql)Copyright © 2021 Codeinu
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