摘要: select * from( select sum(case MONTH(purchase_date) when '1' then SumMoney else 0 end) as January,sum(case MONTH(purchase_date) when '2' then SumMoney 阅读全文
posted @ 2016-11-21 21:18 ZHANGKAIXUAN 阅读(1039) 评论(0) 推荐(0)