postgresql remove duplicate rows 2 columns
DELETE FROM sf_table
WHERE id IN
(SELECT id
FROM
(SELECT id,
ROW_NUMBER() OVER( PARTITION BY tosp, icd
ORDER BY id ) AS row_num
FROM sf_table ) t
WHERE t.row_num > 1 );copy column from one table to another without column duplicate postgres
//Postgres Database Query
insert into table1(column1,column2)
select c1,c2
from table2 a
where not exists ( select 0 from table1 b where b.id = a.id )Copyright © 2021 Codeinu
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