how to remove unique key in mysql
ALTER TABLE mytable DROP INDEX key_Name;how to remove unique key in mysql
ALTER TABLE mytable DROP INDEX key_Name;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
);Copyright © 2021 Codeinu
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