postgresql remove duplicate rows 2 columns

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Alejandro
10 Sep 2020
1DELETE FROM sf_table
2WHERE id IN
3    (SELECT id
4    FROM 
5        (SELECT id,
6         ROW_NUMBER() OVER( PARTITION BY tosp, icd
7        ORDER BY  id ) AS row_num
8        FROM sf_table ) t
9        WHERE t.row_num > 1 );
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