摘要: SQL语句: SELECT * FROM table_name AS ta WHERE ta.唯一键 = ( SELECT max( tb.唯一键 ) FROM table_name AS tb WHERE ta.判断重复的列 = tb.判断重复的列 ); 如果想排序加分页查询,SQL语句: SEL 阅读全文
posted @ 2020-12-20 18:41 ppjj 阅读(4925) 评论(0) 推荐(1) 编辑