mysql限制sql查询时间的方法：1、查询今天，代码为【select * from 表名 where to_days(时间字段名) = to_days(now())】；2、查询昨天，代码为【SELECT * FROM 表名 WHERE】。
本教程操作环境：windows7系统、mysql8.0.22版，该方法适用于所有品牌电脑。
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mysql限制sql查询时间的方法：
今天select * from 表名 where to_days(时间字段名) = to_days(now());
昨天SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 时间字段名) <= 1
近7天SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)
近30天SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名)
本月SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, ‘%Y%m’ ) = DATE_FORMAT( CURDATE( ) , ‘%Y%m’ )
上一月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’) ;
select * from user where WEEKOFYEAR(FROM_UNIXTIME(pudate,’%y-%m-%d’)) = WEEKOFYEAR(now())
select * from user where MONTH(FROM_UNIXTIME(pudate,’%y-%m-%d’)) = MONTH(now())
select * from user where YEAR(FROM_UNIXTIME(pudate,’%y-%m-%d’)) = YEAR(now()) and MONTH(FROM_UNIXTIME(pudate,’%y-%m-%d’)) = MONTH(now())
select * from user where pudate between 上月最后一天 and 下月第一天
查询当前月份的数据select name,submittime from enterprise where date_format(submittime,’%Y-%m’)=date_format(now(),’%Y-%m’)相关免费学习推荐：php编程(视频)
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