2021年3月26日
mysql中删除重复记录，只保留一条
摘要： DELETE FROM stock_market WHERE date='2021-03-19' AND code IN (SELECT code FROM (SELECT code FROM stock_market where date='2021-03-19' GROUP BY code HA 阅读全文
posted @ 2021-03-26 12:44 锐洋智能 阅读(48) 评论(0) 推荐(0)