ORA-41710: invalid use of aggregate operator for a noncollection event

文档解释

ORA-41710: invalid use of aggregate operator for a noncollection event

Cause: An attempt was made to specify an aggregate operator on an event that is not identified as collection.

Action: Correct the input and try again.

官方解释

ORA-41710 is the Oracle Database error code. This is an internal SQL error and indicates an invalid use of the aggregate operator for non-collection events.

常见案例

ORA-41710 is sometimes seen when using the aggregate function AVG() and no records are returned.

一般处理方法及步骤

1. Verify that the query is returning at least one row.

2. Check the syntax of the query to make sure that the AVG() function is used correctly.

3. Re-run the query.

4. If the error persists, contact Oracle Support.