摘要: 公司让写一个报表,有如下sql:SELECT id,time FROM ( SELECT aid AS id,atime AS time FROM a UNION ALL SELECT bid AS id,btime AS time FROM b) AS a然后查处如下记录:[ { "id":2, 阅读全文
posted @ 2022-03-10 06:12 锐洋智能 阅读(317) 评论(0) 推荐(0) 编辑