我有以下查询,它适用于任何给定月份,为我提供该月达到的最高计数并指定日期:
SELECT day(season),COUNT(*)
FROM baseball_season
WHERE season like '2017-07%'
GROUP BY day(season)
Order BY count(*) DESC
LIMIT 1;
有没有一种方法可以编辑此查询,以便获得每个月的最高天数?此查询一次仅适用于一个月...
最佳答案
这在 MySQL 中相当痛苦,但这是一种方法:
select year(season) as yyyy, month(season) as mm, day(season) as dd,
count(*)
from baseball_season bs
where season >= '2017-01-01' and season < '2018-01-01' -- or whatever, using dates
group by yyyy, mm, dd
having count(*) = (select count(*) as cnt
from baseball_season bs2
where year(bs2.season) = year(bs.season) and
month(bs2.season) = month(bs.season)
group by day(bs2.season)
order by count(*) desc
limit 1
);
关于mysql - 需要一个 SQL 来获取全年每月和每天的高计数,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45745270/