Group by date only on a Datetime column

Having a table with a column like: mydate DATETIME

I have a query such as:

SELECT SUM(foo), mydate FROM a_table GROUP BY a_table.mydate;

This will group by the full datetime, including hours and minutes. I wish to make the group by, only by the date YYYY/MM/DD not by the YYYY/MM/DD/HH/mm.

How to do this?

5 Answers
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