mysql当天零点开始时间戳 mysql 当天日期

SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , ‘%Y%m’ ) , date_format( 时间字段名, ‘%Y%m’ ) ) =1
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));
查询当前这周的数据
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,‘%Y-%m-%d’)) = YEARWEEK(now());
查询上周的数据
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,‘%Y-%m-%d’)) = YEARWEEK(now())-1;
查询上个月的数据
select name,submittime from enterprise where date_format(submittime,‘%Y-%m’)=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),‘%Y-%m’)
select * from user where DATE_FORMAT(pudate,‘%Y%m’) = DATE_FORMAT(CURDATE(),‘%Y%m’) ;