[转]MySQL里获取现阶段week、month、quarter的第一天/最后一天

[转]MySQL里获取当前week、month、quarter的第一天/最后一天 MySQL里获取当前week、month、quarter的第一天/最后一天摘自：http://hideto.javaeye.com/blog/255816当前week的第一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 1 DAY)当前week

[转]MySQL里获取当前week、month、quarter的第一天/最后一天

MySQL里获取当前week、month、quarter的第一天/最后一天摘自：http://hideto.javaeye.com/blog/255816当前week的第一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 1 DAY)当前week的最后一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) – 5 DAY)前一week的第一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 8 DAY)前一week的最后一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 2 DAY)前两week的第一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 15 DAY)前两week的最后一天：select date_sub(curdate(),INTERVAL WEEKDAY(curdate()) + 9 DAY)当前month的第一天：SELECT concat(date_format(LAST_DAY(now()),’%Y-%m-’<strong style="color:transparent">本文来源gaodai#ma#com搞@@代~&码*网/</strong>),’01′)当前month的最后一天：SELECT LAST_DAY(now())前一month的第一天：SELECT concat(date_format(LAST_DAY(now() – interval 1 month),’%Y-%m-’),’01′)前一month的最后一天：SELECT LAST_DAY(now() – interval 1 month)前两month的第一天：SELECT concat(date_format(LAST_DAY(now() – interval 2 month),’%Y-%m-’),’01′)前两month的最后一天：SELECT LAST_DAY(now() – interval 2 month)当前quarter的第一天：select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-3 month),’%Y-%m-’),’01′)当前quarter的最后一天：select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-1 month)前一quarter的第一天：select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-6 month),’%Y-%m-’),’01′)前一quarter的最后一天：select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-4 month)前两quarter的第一天：select concat(date_format(LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-9 month),’%Y-%m-’),’01′)前两quarter的最后一天：select LAST_DAY(MAKEDATE(EXTRACT(YEAR FROM CURDATE()),1) + interval QUARTER(CURDATE())*3-7 month)

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