db2 没主键的表2条数据一样怎么删
DELETE FROM (select row_number() over(partition by CLO1,COL2,COL3 order by CLO1,COL2,COL3) AS ROW_NO FROM TEST_TAB )
WHERE ROW_NO>1
DELETE FROM (select row_number() over(partition by CLO1,COL2,COL3 order by CLO1,COL2,COL3) AS ROW_NO FROM TEST_TAB )
WHERE ROW_NO>1