mysql 5.7分组报错问题 Expression #1 of ORDER BY clause is not in GROUP BY clause 的问题 MySQL
解决方案：
select version(),
@@sql_mode;SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));
完美的解决方案是：
1 show variables like "sql_mode";
2
3 set sql_mode='';
4 set sql_mode='NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES';
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