Can I use… ntile()


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The ntile() window function distributes the rows evenly into n groups.

SELECT ntile(3) OVER (ORDER BY …)
  FROM …

The example returns 1 for the first third of the rows, 2 for the second and 3 for the last.

Normative References

The ntile() window function is defined in ISO/IEC 9075:2016-2 as optional feature T614, “NTILE function”.

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