How to fix the Oracle error ORA-30453: summary contains AVG without corresponding COUNT?

In this post, you’ll learn more about the Oracle ErrorORA-30453: summary contains AVG without corresponding COUNT with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30453: summary contains AVG without corresponding COUNT

Reason for the Error ORA-30453: summary contains AVG without corresponding COUNT

Incremental refresh of summaries with AVG(X) requires a COUNT(X) column to be included in the summary definition

How to fix the Error ORA-30453: summary contains AVG without corresponding COUNT ?

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

Make sure that the required columns are part of the summary definition if incremental refresh capability is desired.