MySql 時(shí)間操作詳解

MySql 時(shí)間操作（今天，昨天，7天，30天，本月，上月）
1 、 查看當(dāng)天日期

selec t current_date();

 

2、 查看當(dāng)天時(shí)間

selec t current_time();

 

3、查看當(dāng)天時(shí)間日期

selec t current_timestamp();

 

4、查詢當(dāng)天記錄

selec t * from 表名 where to_days(時(shí)間字段名) = to_days(now());

 

5、查詢昨天記錄

selec t * FROM 表名 WHERE TO_DAYS( NOW( ) ) – TO_DAYS( 時(shí)間字段名) <= 1

 

6、查詢7天的記錄

selec t * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(時(shí)間字段名) 

 

7、查詢近30天的記錄

selec t * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(時(shí)間字段名)

 

8、查詢本月的記錄

selec t * FROM 表名 WHERE DATE_FORMAT( 時(shí)間字段名, ‘%Y%m’ ) = DATE_FORMAT( CURDATE( ) , ‘%Y%m’ )

 

9、查詢上一月的記錄

selec t * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , ‘%Y%m’ ) , date_format( 時(shí)間字段名, ‘%Y%m’ ) ) =1

 

10、查詢本季度數(shù)據(jù)

selec t * from 表名 where QUARTER(create_date)=QUARTER(now());


11、查詢上季度數(shù)據(jù)
selec t * from 表名 where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));

 

12、查詢本年數(shù)據(jù)
selec t * from 表名  where YEAR(create_date)=YEAR(NOW());

 

13、查詢上年數(shù)據(jù)
selec t * from 表名 where year(create_date)=year(date_sub(now(),interval 1 year));
 
14、查詢當(dāng)前這周的數(shù)據(jù) 
selec t * FROM 表名 WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());

 

15、查詢上周的數(shù)據(jù)
selec t * FROM 表名 WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;

 

16、查詢當(dāng)前月份的數(shù)據(jù)
selec t * from 表名   where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')

 

17、查詢距離當(dāng)前現(xiàn)在6個(gè)月的數(shù)據(jù)
selec t name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();