本文主要是介绍MYSQL获取某月天数,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
select day( last_day( concat(( SELECT CONCAT('2020','01') AS date ),'01') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','02') AS date ),'02') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','03') AS date ),'03') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','04') AS date ),'04') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','05') AS date ),'05') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','06') AS date ),'06') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','07') AS date ),'07') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','08') AS date ),'08') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','09') AS date ),'09') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','10') AS date ),'10') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','11') AS date ),'11') )) AS cm_day_cnt UNION all
select day( last_day( concat(( SELECT CONCAT('2020','12') AS date ),'12') )) AS cm_day_cnt
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