In this post, you’ll learn more about the Oracle ErrorORA-30464: no summaries exist with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-30464: no summaries exist
Reason for the Error ORA-30464: no summaries exist
A call was made to refresh_all_mviews, but no summaries exist. At least one summary must exist before calling refresh_all_mviews
How to fix the Error ORA-30464: no summaries exist ?
You can fix this error in Oracle by following the below steps
Create one or more summaries