Delete Duplicate Rows in DB2 Database

Many times and Many places, this question is being asked :-) that How to delete the duplicate row from a table in different DBs. Here, we will see How to do this in DB2 DB.

DELETE FROM
    (SELECT ROWNUMBER() OVER (PARTITION BY COL1, COL2, COL3) AS RNK
     FROM TABLE.NAME) AS A
WHERE RNK > 1;

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