postgresql--column must appear in the group by clause or be used in an aggregate function
att_test01.stname must appear in the group by clause ...
原文：must appear in the GROUP BY clause or be used in an aggregate function
今天在分组统计的时候pgsql报错 must appear in the GROUP BY clause or be used in an aggregate function，在mysql里面是可以的，但是pgsql报错，我去stackoverflow查询了一下，发现有人遇到过和我一样的问题，这是pgsql一个常见的聚合问题，在SQL 标准以前，选择显示的字段必须出现在在 GROUP BY 中。 ...
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【理解】column must appear in the GROUP BY clause or be used in an aggregate function
column "ms.xxx_time" must appear in the GROUP BY clause or be used in an aggregate function ...
invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause
Column 'dbo.tbm_vie_View.ViewID' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause ...
1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contai
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1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contai
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[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause 的问题
问题： [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ ...
解决[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause 的问题 MySQL
错误： Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ ...