how mysql query one year of data
select * from table where date_format (date, '% Y-% m-% d ') = '2014-04-01' date
select * from table where date_format (date, '% Y-% m ') =' 2014-04 'month
select * from table where date_format (date,'% Y ') =' 2014 ' in
that DATE_FORMAT (date,'% Y-% m-% d ') where the length of the parameter
