-- 获取上一个月的总天数 SET days_in_last_month = DAY(last_day(last_month_date)); 1. 2. 步骤3:获取上一个月的第一天 -- 获取上一个月的第一天 SET first_day_of_last_month = last_day(add_months(last_month_date, -1) - days_in_last_month + 1); 1. 2. 结论 通过以上步骤,我们...
在 Hive SQL 中,我们可以使用date_add()函数将当前日期减去当前日期的天数,从而得到上月的第一天。 SELECTdate_sub(current_date(),day(current_date())-1)ASfirst_day_of_last_month; 1. 上述代码将返回上月的第一天,例如对于当前日期为2022-01-26,将返回2021-12-01。 步骤4:计算上月的最后一天 最后,...
SELECT date_format(date_add(@firstDayOfMonth := DATE_FORMAT(CURDATE() - INTERVAL (DAY(CURDATE()) - 1) DAY,'%Y-%m-01'), INTERVAL a.help_topic_id DAY),'%Y-%m-%d') AS lastDays FROM mysql.help_topic a WHERE a.help_topic_id BETWEEN 0 AND DATEDIFF(@lastDayOfMonth := LAST_DAY(C...
–FirstDayPrevious/Current/NextMonthsSELECTDATEADD(MONTH,DATEDIFF(MONTH,0,GETDATE())-1,0),'First Day of Previous Month'UNIONALLSELECTDATEADD(DAY,-(DAY(DATEADD(MONTH,1,GETDATE()))-1),DATEADD(MONTH,-1,GETDATE())),'First Day of Previous Month (2)'UNIONALLSELECTDATEADD(MONTH,DATEDIFF(MONTH,...
I am developing a query that will run on AWS QuickSight, getting information from our database in AWS Athena monthly (first day of last month until the last day of the same last month).In order to do that, I set up a interval that the query take the date from Athena...
How can i get the first day(Monday) and last day(Sunday) for EVERY week in a month? Example: July 2015 Week 1 First: 29-Jun Last: 5-Jul Week 2 First: 6-Jul Last: 12-Jul Week 3 First: 13-Jul Last: 19-Jul Week 4 First: 20-Jul Last: 26-Jul Week 5 First...
Please start any new threads on our new site at . We've got lots of great SQL Server experts to answer whatever question you can come up with. All Forums SQL Server 2008 Forums Transact-SQL (2008) First and last day of each month for current year...
SELECTWEEK(day_m,1)ASwk,WEEKDAY(day_m)ASwkday,DAY(day_m)ASday_index,day_mASfull_dayFROM(SELECTDATE_ADD(first_day,INTERVALid-1DAY)ASday_mFROM(SELECTDATE_ADD(@someday,INTERVAL-DAY(@someday)+1DAY)ASfirst_day)a,t_seq tWHEREt.id<=DAY(LAST_DAY(@someday)) ...
(dt,'Q') as quarter_first_day -- 季度初 ,date_add(add_months(trunc(dt,'Q'),3),-1) as quarter_last_day -- 季度末 ,trunc(dt,'MM') as month_first_day -- 月初,last_day(dt) as month_last_day -- 月末,if(pmod(datediff(dt,'1990-01-01')+1,7)=0,7,pmod(datediff(dt,'...
Get First Day of the Month Function Getting the first day of the month is straight-forward. It's a matter of replacing the day portion of the given date with 1. Discussed below are 2 ways of getting the first day of the month for a given input date. First Variant The first variant ...