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Bin a continuous feature into quantile and fixed-width buckets in SQL. When do you use each?

Bucketing turns a skewed continuous feature into something a model (or a report) handles well, and the choice between equal-width and equal-count bins changes everything on skewed data. Here is both in SQL.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

Bucketing turns a skewed continuous feature into something a model (or a report) handles well, and the choice between equal-width and equal-count bins changes everything on skewed data. Here is both in SQL.

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