1.今天
select * from 表名 where to_days(时间字段名) = to_days(now());
2.昨天
SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1
3.近7天
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)
4.当月
SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )
5.上月
SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( 时间字段名, '%Y%m' ) ) =1
6.本季度
select * from `表名` where QUARTER(时间字段)=QUARTER(now());
7.上季度
select * from `表名` where QUARTER(时间字段)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
8.今年
select * from `表名` where YEAR(时间字段)=YEAR(NOW());
9.去年
select * from `表名` where year(时间字段)=year(date_sub(now(),interval 1 year));
10.本周
select * from 表名 WHERE YEARWEEK(date_format(时间字段,'%Y-%m-%d')) = YEARWEEK(now());
11.上周
select * from 表名 WHERE YEARWEEK(date_format(字段名,'%Y-%m-%d')) = YEARWEEK(now())-1;
12.近6个月
select * from 表名 where 字段名 between date_sub(now(),interval 6 month) and now();