摘要: SELECT MAX(b.a) from ( select distinct * from (values (1), (1), (1), (2), (5), (1), (6)) as Y(a) ) as b SELECT MAX(b.b) from ( select distinct * fr... 阅读全文
posted @ 2015-07-08 14:14 流浪的程序员 阅读(6310) 评论(0) 推荐(0) 编辑