随笔分类 -  Mysql数据库

MySql 错误：In aggregated query without GROUP BY, expression #1 of SELECT list contains....
摘要：select c_no,AVG(sc_degree) from score where s_no IN (select s_no from student where s_class = '95031'); 运行上述查询时，弹出一下错误 select c_no,AVG(sc_degree) from 阅读全文
posted @ 2019-12-23 17:05 Dabin_Xbox 阅读(10979) 评论(1) 推荐(0)