摘要: https://www.cnblogs.com/JentZhang/p/12162170.html 获取分组后取某字段最大一条记录 方法一:(效率最高) select * from test as a where typeindex = (select max(b.typeindex) from t 阅读全文
posted @ 2022-04-01 14:30 乌卡拉卡 阅读(6882) 评论(1) 推荐(2) 编辑