Oracle中的"not a single-group group function"错误解析 1. 解释什么是“single-group group function” 在Oracle数据库中,所谓的"single-group group function"通常指的是SQL中的聚合函数(如SUM(), AVG(), COUNT(), MAX(), MIN()等),这些函数用于对一组行进行汇总计算,并返回一个单一的值。当使用这些聚...
ERROR at line 1: 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: selec...
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。 注:如果查询的字段只有...
ORA-00937:notasingle-groupgroupfunction 不能在 WHERE 子句中使用组函数。 可以在 HAVING 子句中使用组函数。 SELECTdepartment_id,AVG(salary)FROMemployeesWHEREAVG(salary)>8000GROUPBYdepartment_id;---WHEREAVG(salary)>8000*ERRORatline3: ORA-00934:groupfunctionisnotallowed here 3.5、过滤分组: HAVING 子句...
如果我使用下面的代码,我会得到ORA-00937 "not a single-group group function"错误:--Dimensions:--Measures (KPI's): SUM(COUNT_IO), --OEE: SUM(CASE我还尝试了在不使用GROUP BY的情况下执行 浏览4提问于2018-02-05得票数 0 2回答 使用CASE when语句时出现RODBC“无效字符\n”错误 、、、 我正在...
select deptno ,lower(job),count() from emp group by deptno,job having count()>1 order ...
SELECT cust_nbr, sales_emp_id, COUNT(order_nbr)FROM cust_order;SELECT cust_nbr, sales_emp_id, COUNT(order_nbr) * ERROR at line 1: ORA-00937: not a single-group group function There is one case in which you can write aggregate expressions in a SELECT list without also writing a GRO...
Sometimes you may want to keep these gaps, but with a twist. Each interval should begin at the time of the first row in the group, not a fixed multiple of the origin. Combine rows into 15-minute intervals with variable gaps The solutions so far all assume that the start of each group...
9、ORA-00937: not a single-group group function 原因和解决方案都和ORA-00979类似 10、ORA-00911:invalid character 可能的原因: 这个问题是在Python中写SQL代码的时候碰到的。因为Python里的SQL代码不能有分号,但是在SQL里写代码的时候习惯带分号,所以出现了这个错。
- Full support of Oracle BLOB object as PG BYTEA. - Export Oracle views as PG tables. - Export Oracle user defined types. - Provide some basic automatic conversion of PLSQL code to PLPGSQL. - Works on any platform. - Export Oracle tables as foreign data wrapper tables. - Export ...