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常用的Mysql时间操作(当天,昨天,7天,30天,半年,全年,季度)
1.查看当天日期
select current_date();
2.查看当天时间
select current_time();
3.查看当天时间日期
select current_timestamp();
4.查询当天记录
select * from 表名 where to_days(时间字段名) = to_days(now());
5.查询昨天记录
SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) – TO_DAYS( 时间字段名) <= 1
6.查询7天的记录
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(时间字段名)
7.查询近30天的记录
SELECT * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(时间字段名)
8.查询本月的记录
SELECT * FROM 表名 WHERE DATE_FORMAT( 时间字段名, ‘%Y%m’ ) = DATE_FORMAT( CURDATE( ) , ‘%Y%m’ )
9.查询上一月的记录
SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , ‘%Y%m’ ) , date_format( 时间字段名, ‘%Y%m’ ) ) =1
10.查询本季度数据
select * from 表名 where QUARTER(create_date)=QUARTER(now());
11.查询上季度数据
select * from 表名 where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
12.查询本年数据
select * from 表名 where YEAR(create_date)=YEAR(NOW());
13.查询上年数据
select * from 表名 where year(create_date)=year(date_sub(now(),interval 1 year));
14.查询当前这周的数据
SELECT * FROM 表名 WHERE YEARWEEK(date_format(submittime,‘%Y-%m-%d’)) = YEARWEEK(now());
15.查询上周的数据
SELECT * FROM 表名 WHERE YEARWEEK(date_format(submittime,‘%Y-%m-%d’)) = YEARWEEK(now())-1;
16.查询当前月份的数据
select * from 表名 where date_format(submittime,‘%Y-%m’)=date_format(now(),‘%Y-%m’)
17.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();
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