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.本周

SELECT * FROM 表名 WHERE YEARWEEK(DATE_FORMAT(时间字段名,'%Y-%m-%d')) = YEARWEEK(NOW());

4.上周

SELECT * FROM 表名 WHERE YEARWEEK(DATE_FORMAT(时间字段名,'%Y-%m-%d')) = YEARWEEK(NOW())-1;

5.近7天

SELECT * FROM 表名 WHERE DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= DATE(时间字段名);

6.近30天

SELECT * FROM 表名 WHERE DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= DATE(时间字段名);

7.本月

SELECT * FROM 表名 WHERE DATE_FORMAT(时间字段名,'%Y%m') = DATE_FORMAT(CURDATE(),'%Y%m');

8.上月

SELECT * FROM 表名 WHERE PERIOD_DIFF(DATE_FORMAT(NOW(),'%Y%m'),DATE_FORMAT(时间字段名,'%Y%m')) = 1;

SELECT * FROM 表名 WHERE DATE_FORMAT(时间字段名,'%Y%m') = DATE_FORMAT(CURDATE(),'%Y%m') ;

SELECT * FROM 表名 WHERE WEEKOFYEAR(FROM_UNIXTIME(时间字段名,'%y-%m-%d')) = WEEKOFYEAR(NOW());

SELECT * FROM 表名 WHERE MONTH(FROM_UNIXTIME(时间字段名,'%y-%m-%d')) = MONTH(NOW()); 

SELECT * FROM 表名 WHERE YEAR(FROM_UNIXTIME(时间字段名,'%y-%m-%d')) = YEAR(NOW()) AND MONTH(FROM_UNIXTIME(时间字段名,'%y-%m-%d')) = MONTH(NOW())；

9.近6个月

SELECT * FROM 表名 WHERE 时间字段名 BETWEEN DATE_SUB(NOW(),INTERVAL 6 MONTH) AND NOW();

10.本季度

SELECT * FROM 表名 WHERE QUARTER(时间字段名) = QUARTER(NOW());

11.上季度

SELECT * FROM 表名 WHERE QUARTER(时间字段名) = QUARTER(DATE_SUB(NOW(),INTERVAL 1 QUARTER));

12.本年

SELECT * FROM 表名 WHERE YEAR(时间字段名)=YEAR(NOW());

13.去年

SELECT * FROM 表名 WHERE YEAR(时间字段名) = YEAR(DATE_SUB(NOW(),INTERVAL 1 YEAR));