参照文章( mysql查询时间段内数据)进行了操作。
先来建表语句:
- SET FOREIGN_KEY_CHECKS=0;
- -- ----------------------------
- -- Table structure for t_user
- -- ----------------------------
- DROP TABLE IF EXISTS `t_user`;
- CREATE TABLE `t_user` (
- `userId` bigint(20) NOT NULL,
- `fullName` varchar(64) NOT NULL,
- `userType` varchar(16) NOT NULL,
- `addedTime` datetime NOT NULL,
- PRIMARY KEY (`userId`)
- ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
- -- ----------------------------
- -- Records of t_user
- -- ----------------------------
- INSERT INTO `t_user` VALUES ('1', '爽爽', '普通', '2018-01-21 10:20:09');
- INSERT INTO `t_user` VALUES ('2', '贵贵', '普通', '2017-11-06 10:20:22');
- INSERT INTO `t_user` VALUES ('3', '芬芬', 'vip', '2017-11-13 10:20:42');
- INSERT INTO `t_user` VALUES ('4', '思思', 'vip', '2018-01-21 10:20:55');
- INSERT INTO `t_user` VALUES ('5', '妍妍', 'vip', '2017-09-17 10:21:28');
下面是sql语句:
- -- 今天
- select fullName,addedTime from t_user where to_days(addedTime) = to_days(now());
- -- 昨天
- select fullName,addedTime from t_user where to_days(NOW()) - TO_DAYS(addedTime) <= 1;
- -- 近7天
- select fullName,addedTime from t_user where date_sub(CURDATE(),INTERVAL 7 DAY) <= DATE(addedTime);
- -- 近30天
- SELECT fullName,addedTime FROM t_user where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(addedTime);
- -- 本月
- SELECT fullName,addedTime FROM t_user WHERE DATE_FORMAT( addedTime, '%Y%m' ) = DATE_FORMAT( CURDATE() , '%Y%m' );
- -- 上一月
- SELECT fullName,addedTime FROM t_user WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( addedTime, '%Y%m' ) ) =1;
- -- 查询本季度数据
- select fullName,addedTime FROM t_user where QUARTER(addedTime)=QUARTER(now());
- -- 查询上季度数据
- select fullName,addedTime FROM t_user where QUARTER(addedTime)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
- -- 查询本年数据
- select fullName,addedTime FROM t_user where YEAR(addedTime)=YEAR(NOW());
- -- 查询上年数据
- select fullName,addedTime FROM t_user where year(addedTime)=year(date_sub(now(),interval 1 year));
- -- 查询距离当前现在6个月的数据
- select fullName,addedTime FROM t_user where addedTime between date_sub(now(),interval 6 month) and now();
- -- 查询当前这周的数据
- SELECT fullName,addedTime FROM t_user WHERE YEARWEEK(date_format(addedTime,'%Y-%m-%d')) = YEARWEEK(now());
- -- 查询上周的数据
- SELECT fullName,addedTime FROM t_user WHERE YEARWEEK(date_format(addedTime,'%Y-%m-%d')) = YEARWEEK(now())-1;
- -- 查询上个月的数据
- select fullName,addedTime FROM t_user where date_format(addedTime,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),'%Y-%m');
- -- 查询当前月份的数据
- select fullName,addedTime FROM t_user where DATE_FORMAT(addedTime,'%Y%m') = DATE_FORMAT(CURDATE(),'%Y%m');
- select fullName,addedTime FROM t_user where date_format(addedTime,'%Y-%m')=date_format(now(),'%Y-%m');
- -- 查询指定时间段的数据
- select fullName,addedTime FROM t_user where addedTime between '2017-1-1 00:00:00' and '2018-1-1 00:00:00';
- select fullName,addedTime FROM t_user where addedTime >='2017-1-1 00:00:00' and addedTime < '2018-1-1 00:00:00';
归纳一下:
1、查询时间段内的数据,一般可以用between and 或 <> 来指定时间段。
2、mysql的时间字段类型有:datetime,timestamp,date,time,year。
3、 获取系统当前时间的函数:
select CURDATE();
select NOW();
4、获取时间差的函数:
period_diff() datediff(date1,date2) timediff(time1,time2)
5、日期加减函数:
date_sub()
date_add() adddate() addtime()
period_add(P,N)
--------以上参考文章(mysql日期加减)
6、时间格式转化函数:
date_format(date, format) ,MySQL日期格式化函数date_format()
unix_timestamp()
str_to_date(str, format)
from_unixtime(unix_timestamp, format) ,MySQL时间戳格式化函数from_unixtime
--------以上参考文章(MYSQL日期 字符串 时间戳互转)
顺带写一下oracle的查询语句:
- select * from Oracle.alarmLog where alarmtime between to_date('2007-03-03 18:00:00','yyyy-mm-dd hh24:mi:ss') and to_date('2007-09-04 18:00:00','yyyy-mm-dd hh24:mi:ss')
另一篇博客
MySQL获取某个时间范围内的数据 TO_DAYS(date)函数
1、利用to_days函数查询今天的数据:
select * from 表名 where to_days(时间字段名) = to_days(now());
to_days函数:返回从0000年(公元1年)至当前日期的总天数。
2、昨天
SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) – TO_DAYS( 时间字段名) <= 1
3、7天
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)
4、近30天
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名)
5、本月
SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, ‘%Y%m' ) = DATE_FORMAT( CURDATE( ) , ‘%Y%m' )
6、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 1
LIMIT 0 , 30