2018年3月16日
case when进行数据统计
摘要： ``` SELECT SUM(CASE WHEN = '1' THEN 1 ELSE 0 END) AS waitpay, SUM(CASE WHEN = '1' AND = 0 THEN 1 ELSE 0 END) AS waitgroup, SUM(CASE WHEN = '3' THEN 1 阅读全文
posted @ 2018-03-16 16:17 TBHacker 阅读(7327) 评论(0) 推荐(0) 编辑