查询5分钟前的数据
select * from table where end_date between date_add(now(), interval - 300 SECOND) and NOW()
查询当天的所有数据
SELECT * FROM 表名 WHERE DATEDIFF(字段,NOW())=0
查询昨天的所有数据
SELECT * FROM 表名 WHERE DATEDIFF(字段,NOW())=-1
查询未来第n天的所有数据
//当n为负数时，表示过去第n天的数据
SELECT * FROM 表名WHERE DATEDIFF(字段,NOW())=n
查询未来n天内所有数据
//n天内
SELECT * FROM 表名 WHERE DATEDIFF(字段,NOW())<n AND DATEDIFF(字段,NOW())>=0
查询过去n天内所有数据
//包含当天
SELECT * FROM 表名 WHERE DATEDIFF(字段,NOW())<=0 AND DATEDIFF(字段,NOW())>-n
//不包含当天
SELECT * FROM 表名 WHERE DATEDIFF(字段,NOW())<0 AND DATEDIFF(字段,NOW())>-n
今天
select*from表名whereto_days(时间字段名)=to_days(now());
昨天
SELECT*FROM表名WHERETO_DAYS( NOW( ) )-TO_DAYS( 时间字段名)<=1
近7天
SELECT*FROM表名whereDATE_SUB(CURDATE(), INTERVAL7DAY)<=date(时间字段名)
近30天
SELECT*FROM表名whereDATE_SUB(CURDATE(), INTERVAL30DAY)<=date(时间字段名)
本月
SELECT*FROM表名WHEREDATE_FORMAT( 时间字段名,'%Y%m')=DATE_FORMAT( CURDATE( ) ,'%Y%m')
上一月
SELECT*FROM表名WHEREPERIOD_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`whereQUARTER(create_date)=QUARTER(now());
查询上季度数据
select*from`ht_invoice_information`whereQUARTER(create_date)=QUARTER(DATE_SUB(now(),interval1QUARTER));
查询本年数据
select*from`ht_invoice_information`whereYEAR(create_date)=YEAR(NOW());
查询上年数据
select*from`ht_invoice_information`whereyear(create_date)=year(date_sub(now(),interval1year));
查询当前这周的数据
SELECTname,submittimeFROMenterpriseWHEREYEARWEEK(date_format(submittime,'%Y-%m-%d'))=YEARWEEK(now());
查询上周的数据
SELECTname,submittimeFROMenterpriseWHEREYEARWEEK(date_format(submittime,'%Y-%m-%d'))=YEARWEEK(now())-1;
查询上个月的数据
selectname,submittimefromenterprisewheredate_format(submittime,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL1MONTH),'%Y-%m')
select*fromuserwhereDATE_FORMAT(pudate,'%Y%m')=DATE_FORMAT(CURDATE(),'%Y%m') ;
select*fromuserwhereWEEKOFYEAR(FROM_UNIXTIME(pudate,'%y-%m-%d'))=WEEKOFYEAR(now())
select*fromuserwhereMONTH(FROM_UNIXTIME(pudate,'%y-%m-%d'))=MONTH(now())
select*fromuserwhereYEAR(FROM_UNIXTIME(pudate,'%y-%m-%d'))=YEAR(now())andMONTH(FROM_UNIXTIME(pudate,'%y-%m-%d'))=MONTH(now())
select*fromuserwherepudatebetween上月最后一天and下月第一天
查询当前月份的数据
selectname,submittimefromenterprisewheredate_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')
查询距离当前现在6个月的数据
selectname,submittimefromenterprisewheresubmittimebetweendate_sub(now(),interval6month)andnow();
1.更新表中有效期valid_time字段值都增加一天
UPDATE cqh_activity SET valid_time=DATE_ADD(valid_time,INTERVAL 1 DAY);
2.更新表中有效期valid_time字段值都减少一天
UPDATE cqh_activity SET valid_time=DATE_SUB(valid_time,INTERVAL 1 DAY);
