Question

Is it possible to make a simple query to count how many records I have in a determined period of time like a year, month, or day, having a TIMESTAMP field, like:

SELECT COUNT(id) FROM stats WHERE record_date.YEAR = 2009 GROUP BY record_date.YEAR 

Or even:

SELECT COUNT(id) FROM stats GROUP BY record_date.YEAR, record_date.MONTH 

To have a monthly statistic.

Thanks!

Answer 1

GROUP BY YEAR(record_date), MONTH(record_date) 

Check out the date and time functions in MySQL.