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SQL

Delete Duplicates

DELETE FROM MITT_TABELLNAMN

WHERE
id IN (
SELECT
id
FROM (
SELECT
id,
ROW_NUMBER() OVER (
PARTITION BY KOLUMN_NAMNET_SOM_E_DUBLETT
ORDER BY KOLUMN_NAMNET_SOM_E_DUBLETT) AS row_num
FROM
MITT_TABELLNAMN
) t
WHERE row_num > 1
);
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