查詢今天數據：

SELECT COUNT(1) FROM T_CALL_RECORDS WHERE TO_CHAR(T_RKSJ,‘YYYY-MM-DD‘)=TO_CHAR(SYSDATE,‘YYYY-MM-DD‘)

查詢昨天數據：

SELECT COUNT(1) FROM T_CALL_RECORDS WHERE TO_CHAR(T_RKSJ,‘YYYY-MM-DD‘)=TO_CHAR(SYSDATE-1,‘YYYY-MM-DD‘)

查詢本周數據：

SELECT COUNT(1) FROM T_CALL_RECORDS WHERE T_RKSJ >= TRUNC(NEXT_DAY(SYSDATE-8,1)+1) AND T_RKSJ < TRUNC(NEXT_DAY(SYSDATE-8,1)+7)+1

查詢上周數據：

SELECT COUNT(1) FROM T_CALL_RECORDS WHERE T_RKSJ >= TRUNC(NEXT_DAY(SYSDATE-8,1)-6) AND T_RKSJ < TRUNC(NEXT_DAY(SYSDATE-8,1)+1)

查詢本月數據：

SELECT COUNT(1) FROM T_CALL_RECORDS WHERE TO_CHAR(T_RKSJ,‘YYYY-MM‘)=TO_CHAR(SYSDATE,‘YYYY-MM‘)

查詢上月數據：

SELECT COUNT(1) FROM T_CALL_RECORDS WHERE TO_CHAR(T_RKSJ,‘YYYY-MM‘)=TO_CHAR(ADD_MONTHS(SYSDATE,-1),‘YYYY-MM‘)

備注：NEXT_DAY(SYSDATE,1)函數為當前系統時間的下個星期日時間，數字1代表星期日；

mysql：

--今天

select * from 表名 where to_days(時間字段名) = to_days(now());

--昨天

SELECT * FROM 表名 WHERE TO_DAYS( NOW( ) ) - TO_DAYS( 時間字段名) <= 1

--本周

SELECT * FROM 表名 WHERE YEARWEEK( date_format( 時間字段名,‘%Y-%m-%d‘ ) ) = YEARWEEK( now() ) ;

--本月

SELECT * FROM 表名 WHERE DATE_FORMAT( 時間字段名, ‘%Y%m‘ ) = DATE_FORMAT( CURDATE( ) ,‘%Y%m‘ )

--上一個月

SELECT * FROM 表名 WHERE PERIOD_DIFF(date_format(now(),‘%Y%m‘),date_format(時間字段名,‘%Y%m‘) =1

--本年

SELECT * FROM 表名 WHERE YEAR( 時間字段名 ) = YEAR( NOW( ) )

--上一月

SELECT * FROM 表名 WHERE PERIOD_DIFF( date_format( now( ) , ‘%Y%m‘ ) , date_format( 時間字段名, ‘%Y%m‘ ) ) =1

--查詢本季度數據

select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());

--查詢上季度數據

select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));

--查詢本年數據

select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());

--查詢上年數據

select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));

--查詢當前這周的數據

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

--查詢上周的數據

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

--查詢當前月份的數據

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

--查詢距離當前現在6個月的數據

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

--查詢上個月的數據

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

原文：https://www.cnblogs.com/Struts-pring/p/10983608.html

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