摘要: 写sql语句,实现下列查询 (表)ta b(列)1 21 3 1 42 12 23 14 15 35 2查询结果要求a b1 22 13 1 4 15 2我的sql语句 :Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--selecta,min(b)fr... 阅读全文