[fifilura]

Working extensively in SQL for a while also gives you another perspective of programming. There is just no way you can write this with a for loop in SQL since it does not (generally) have for loops.

  WITH all_numbers AS
  (
      SELECT generate_series as n
      FROM generate_series(1, 108) as n
  ),
  divisors AS
  (
      SELECT *
      FROM all_numbers
      WHERE 108 % n = 0
  ),
  permutations as
  (
      SELECT a.n as n1, b.n as n2, c.n as n3
      FROM divisors as a
        CROSS JOIN divisors as b
        CROSS JOIN divisors as c
  ) 
  SELECT *
  FROM permutations
  WHERE n1 * n2 * n3 =  108
      AND n1 < n2 And n2 < n3 
  ORDER BY  n1, n2, n3

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