The Trouble with 'Ntile()'

The Trouble with 'Ntile()'

An article on Hacker News examines common issues developers face when using the SQL window function Ntile(). It outlines how the function can produce unexpected bucket assignments, performance bottlenecks, and differing behavior across database systems. The piece offers examples, discusses best‑practice workarounds, and advises careful testing to avoid subtle bugs in data‑analysis queries in production environments.