ORA-41712: missing groupby specification for the collection “string”

文档解释

ORA-41712: missing groupby specification for the collection “string”

Cause: An attempt was made to use a collection element with no groupby specification in the rule condition.

Action: Correct the input and try again.

ORA-41712错误指示数据集中遗漏了Group By规格。

官方解释

ORA-41712 是由 SELECT 子句的集合中缺少 GROUP BY 的声明引起的一个 Oracle 错误。

常见案例

例如，您尝试以下查询时，就可能会出现此错误：

SELECT name FROM table;

一般处理方法及步骤

要解决此错误，您需要为 SELECT 子句添加 GROUP BY 语句，指定将聚合值添加到何处。正确的 SELECT 子句应该是这样：

SELECT name FROM table GROUP BY name;