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
);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
);mysql delete older duplicates
delete test
from test
inner join (
select max(id) as lastId, email
from test
group by email
having count(*) > 1) duplic on duplic.email = test.email
where test.id < duplic.lastId;Copyright © 2021 Codeinu
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