sql:case when

select distinct Date,
sum(case Result when '勝' then 1 else 0 end) as '勝',
sum(case Result when '負' then 1 else 0 end) as '負'
from test
group by date

(case FieldName when 'FieldValue' then 1 else 0 end) as 'NewFieldName'

// 語法
case Result
	when '勝' then 1
	when '負' then 2
	else 0
end

case 
	when Result='勝' then 1
	when Result='負' then 2
	else 0
end

參考資料

https://www.cnblogs.com/kirinboy/archive/2010/01/11/1644108.html