查询当天数据
select * from tab where FROM_UNIXTIME(fabutime, ‘%Y%m%d‘) = 20121217;
 
mysql TO_DAYS(date) 函数
TO_DAYS(date)
给定一个日期date, 返回一个天数 (从年份0开始的天数 )。

最近一个月
SELECT * FROM table WHERE DATE_SUB(CURDATE(), INTERVAL 1 MONTH) <= date(time);　　　
本月、当前月
SELECT * FROM table WHERE DATE_FORMAT(o.createTime,‘%Y-%m‘) = DATE_FORMAT(CURDATE(),‘%Y-%m‘);　　　
上个月
SELECT * FROM table WHERE PERIOD_DIFF(DATE_FORMAT(NOW(),‘%Y-%M‘),DATE_FORMAT(create_time,‘%Y-%m‘)) = 1;　　
最近一周、7天
SELECT * FROM table WHERE DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(time);　　　
最近一天
SELECT * FROM table WHERE DATE_SUB(CURDATE(), INTERVAL 1 DAY) <= date(time);　　　
当天
SELECT * FROM table WHERE to_days(create_time) = to_days(now());　

#查询本季度数据
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
#查询上季度数据
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
#查询本年数据
select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());
#查询上年数据
select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));