摘要: 问题情形:将手机号重复的列出来,并且展示出重复的人都是谁 SELECT rymc, lxdh FROM list_ry WHERE lxdh IN ( SELECT lxdh FROM list_ry GROUP BY lxdh HAVING COUNT(lxdh) > 1 ); 结果: 阅读全文
posted @ 2020-11-10 17:26 initiate 阅读(88) 评论(0) 推荐(0) 编辑