Grouping MySQL query by date
Working on a statistics plugin I needed a way to group records by the day. Turns out it's remarkably easy.
PLAIN TEXT
SQL:
SELECT COUNT(id), theDate FROM TABLE GROUP BY YEAR(theDate), MONTH(theDate), DAY(theDate);
If you just want to group by year and month take off the DAY() part. This would also be a good query to use WEEK() [...]