Returning records from the last 3 months only in MySQL

Question

I have a table with a timestamp field. How do I get data from the last 3 months?

In particular, March is my current month let say, 03/2012. I need to retur

Answer 1

I know this is an old question, but to possibly save others time and to sum the above answers up for the case of needing (1) dates from current month and (2) dates from the prior 2 months (common when displaying data statistics):

WHERE ((timestamp >= NOW() - DATE_FORMAT(CURDATE(), '%Y-%m-01'))
OR  (timestamp >= DATE_FORMAT(CURDATE(), '%Y-%m-01') - INTERVAL 2 MONTH))