摘要: --case when 经典用法SELECT * FROM (SELECT 1 NUM, '奖项金额', SUM(CASE WHEN DJMC= '一等奖' AND CGBZ=0 THEN DJJE ELSE 0 END) , SUM(CASE WHEN DJMC= '二等奖' AND CGBZ=0 阅读全文
posted @ 2016-12-01 17:38 Oracle-fans 阅读(174) 评论(0) 推荐(0) 编辑