How to fix the Oracle error ORA-01415: too many distinct aggregate functions?

In this post, you’ll learn more about the Oracle ErrorORA-01415: too many distinct aggregate functions with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01415: too many distinct aggregate functions

Reason for the Error ORA-01415: too many distinct aggregate functions

The query contains more distinct aggregates than can be processed. The current limit is 255.

How to fix the Error ORA-01415: too many distinct aggregate functions ?

You can fix this error in Oracle by following the below steps

Reduce the number of distinct aggregate functions in the query.