Extract date portion of a datetime field

Hello,

I have a table with a datetime field which saves (of course) date and time
information. I need to design a query to count the number of records of
each date without taking into account the time portion. I have seen that I
can use functions like EXTRACT but I do not find how to extract the whole
date only.

I will very much appreciate your feedback.

Respectfully,
Jorge Maldonado