[Err] 1055 - Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated colum
1055 - Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated columOC] 看了网上的很多的方法，有改配置文件的，有在navicat写执行语句的，我甚至还尝试重装了mysql，自己添加my.cnf那些配置文件，都解决不了呢。怪自己没有好好学数据库聚合函数的知识，就来说一种情况吧。
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相关文章
- 1. [Err] 1055 - Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated colum
- 2. [Err] 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated colum
- 3. [Err] 1055 - Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated colum
- 4. [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains ......
- 5. Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column
- 6. Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated
- 7. Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'userinfo.
- 8. [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated .
- 9. [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated c
- 10. Expression #7 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mes.ext.i