ORA-00937错误:“not a single-group group function”是Oracle数据库中常见的SQL错误之一。下面是对该错误的详细解释、常见原因及解决方法: 1. ORA-00937错误的含义 ORA-00937错误表示在SQL查询中错误地使用了聚合函数(如SUM、AVG、MAX、MIN、COUNT等)。当查询中同时包含聚合函数和非聚合列,并且没有正确使用GROUP...
ORA-00937: not a single-group group function 原因: 句话不会运行,因为deptno要求每行都显示,而sum要求统计后再显示,违反了原则。在有组函数的select中,不是组函数的列,一定要放在group by子句中。 1、在有组函数的select中,不是组函数的列,一定要放在group by子句中。 问题解决: select ename,sum_sal fr...
ORA-00937: not a single-group group function Because we have a group function (COUNT) in our column list, and an additional column (OWNER), we have to include the GROUP BY clause in our select statement. SQL> select owner, count(*) 2 from dba_segments 3 group by owner; OWNER COUNT(...
00000 - "not a single-group group function“EN维基百科中，对函数的定义是子程序。在计算机科学中，...
ORA-00923:not a single-group group function Oracle documentation states the cause as the following: A SELECT list cannot include both a group function, such as AVG, COUNT, MAX, MIN, SUM, STDDEV, or VARIANCE, and an individual column expression, unless the individual column expression is inclu...
Get the Oracle Cheat Sheet Get The Cheat Sheet Table of Contents ORA-00937: not a single-group group function ORA-00937 Solution Solution 1: Add the expressions into the GROUP BY clause Solution 2: Remove the expression from the SELECT clause ...
来自专栏 · Oracle ORA-00937: not a single-group group function 报错提示:非单组函数 报错原因:SELECT 后 既有表结构本身的字段,又有需要使用聚合函数(COUNT(),SUM(),MAX(),MIN(),AVG()等)的字段,就必须要用到group by分组,这里报错是因为没有使用group by分组。 解决方法:增加group by分组即可。
问错误00937 "not a single-group group function“ENExpression #1 of SELECT list is not in GROUP ...
group by TABLESPACE_NAME; I have: ORA-00934: group function is not allowed here 00934. 00000 - "group function is not allowed here" *Cause: *Action: Error at Line: 3 Column: 14 Thanks for your help.
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