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sql - Get max value per day with the corresponding name

I have the following table:

day name val
12-01-2021 Een 1
11-01-2021 Twee 12
12-01-2021 Drie 0
12-01-2021 Twee 1
11-01-2021 Drie 19
11-01-2021 Een 11

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Use distinct on:

select distinct on (day) t.*
from t
order by day, val desc;

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