Re: ANSI SQL proposal: SELECT DISTINCT ON (... ORDER BY ...) and UNION DISTINCT ON (... ORDER BY ...)

[Hannu Krosing]

At first glance it looks very much like what DuckDB does with USING
KEY syntax they have described here
https://www.cidrdb.org/cidr2023/papers/p14-hirn.pdf

I learned about DuckDB USING KEY just 2 days ago from
https://lnkd.in/p/ebCwa9Wk

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Hannu