我有六列的表格如下
Home_Team | Home_Score | Away_Score | Away_Team | Home_Result | Away_Result
选择查询的MySQL
我要选择双赢的HOME_TEAM记录的输出,洛斯&领带比赛。
但是,我使用了以下查询,而不是计算每个类别中所有匹配项的计数总数。
select a.Home_Team,
if(a.Home_Result = 'Win', count(a.Home_Result), 0) as Win,
if(b.Home_Result = 'Loss', count(b.Home_Result), 0) as Loss
from nsfa.result_main_bck as a
join nsfa.result_main_bck as b
on a.Home_Team = b.Home_Team
where a.Home_Result = 'Win' and b.Home_Result = 'Loss'
Group by 1
出了什么问题在此代码
我使用MySQL的方式。
问候
亲爱的拉胡尔,感谢您的答复。不过,我得到的结果与您的建议命令相同。 – KhawarAmeerMalik