Question : MYSQL first day (or month) of the current quarter and previous quarter

Hi,

I have such a problem, I need to find out with mysql the first and the last day (date) of the current quarter (and previous quarter).

How can this be done?

Thanks in advance

Answer : MYSQL first day (or month) of the current quarter and previous quarter

for previous quarter you must do this:

1: 2: 3: 4: 5: 6:

select convert(concat(convert(year(curdate()),char(4)),'-',convert((floor(quarter(curdate())/4) + (quarter(curdate()) mod 4)),char(2)),'-1'),date) as firstDayOfQuarter, last_day(date_add(convert(concat(convert(year(curdate()),char(4)),'-',convert((floor(quarter(curdate())/4) + (quarter(curdate()) mod 4)),char(2)),'-1'),date),interval 2 month)) as lastDayOfQuarter, date_add(convert(concat(convert(year(curdate()),char(4)),'-',convert((floor(quarter(curdate())/4) + (quarter(curdate()) mod 4)),char(2)),'-1'),date),interval 3 month) as firstDayOfNextQuarter, last_day(date_add(convert(concat(convert(year(curdate()),char(4)),'-',convert((floor(quarter(curdate())/4) + (quarter(curdate()) mod 4)),char(2)),'-1'),date),interval 5 month)) as lastDayOfNextQuarter, date_add(convert(concat(convert(year(curdate()),char(4)),'-',convert((floor(quarter(curdate())/4) + (quarter(curdate()) mod 4)),char(2)),'-1'),date),interval -3 month) as firstDayOfPreviousQuarter, last_day(date_add(convert(concat(convert(year(curdate()),char(4)),'-',convert((floor(quarter(curdate())/4) + (quarter(curdate()) mod 4)),char(2)),'-1'),date),interval -1 month)) as lastDayOfPreviousQuarter

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