mysql統計クエリー

1.統計バッチ照会1人あたりの毎日の最後のデータ

 --   join                
 select a.device_order_id, a.age, a.value, a.create_time from tb_heart_data a
      JOIN (
          --              
        select device_order_id, MAX(create_time) create_time from tb_heart_data
        GROUP BY device_order_id
      ) b on a.device_order_id = b.device_order_id and a.create_time = b.create_time  

  
select * from    where to_days(     ) = to_days(now());
  
SELECT * FROM    WHERE TO_DAYS( NOW( ) ) - TO_DAYS(      ) <= 1
7 
SELECT * FROM    where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(     )
 30 
SELECT * FROM    where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(     )
  
SELECT * FROM    WHERE DATE_FORMAT(      , '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )
   
SELECT * FROM    WHERE PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format(      , '%Y%m' ) ) =1

#       
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
#       
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
#      
select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());
#      
select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));



          
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());

       
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;

         
select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')

        6     
select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();

        
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       
and      

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


SQL    ：                 

　　         ：                       

　　select sum(  ) from   where   

　　SQL    ：SQL               

　　select * ,SUM(  ) from    where    group by   

　　SQL    ：SQL     、  、         

　　  ：       Ordertime(    ),money(  )

　　          、  、       

　　1、  

　　select year(ordertime)  ，

　　sum(money)     

　　from   

　　group by year(ordertime)

　　2、  

　　select year(ordertime)  ，

　　month(ordertime)  ,

　　sum(money)     

　　from   

　　group by year(ordertime)，

　　month(ordertime)

　　3、  

　　select year(ordertime)  ，

　　month(ordertime)  ,

　　day(ordertime)  ，

　　sum(Total)     

　　from   

　　group by year(ordertime)，

　　month(ordertime),

　　day(ordertime)

　　SQL    ：        10

　　  :   

　　  :   ,           

　　              10      。

　　SELECT DISTINCT TOP 10     , SUM(  ) AS     , COUNT(*) AS    FROM    GROUP BY title

　　    ：

　　SELECT DISTINCT TOP 10     , SUM(  ) AS     , COUNT(*) AS    FROM    WHERE (MONTH(sdate) = '        ') GROUP BY     

　　              10            

　　SELECT DISTINCT TOP 10     , SUM(  ) AS     , COUNT(*) AS    FROM    WHERE (MONTH(  ) = '        ') GROUP BY      ORDER BY    DESC