sql查询一天内的写法：

1.

where createtime

 BETWEEN (select date_format(now(),'%Y-%m-%d 00:00:00'))

and (select date_format(now(),'%Y-%m-%d 23:59:59'))

 

2.

SELECT TO_DAYS(now());

SELECT TO_DAYS('2016-07-02 20:50:06');

 ========================================附录============================================

 

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) <= 17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;查询当前月份的数据select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')查询距离当前现在6个月的数据select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();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where   date(regdate)   =   curdate();select   *   from   test   where   year(regdate)=year(now())   and   month(regdate)=month(now())   and   day(regdate)=day(now())SELECT date( c_instime ) ,curdate( )FROM `t_score`WHERE 1LIMIT 0 , 30