How to fix the Oracle error ORA-39281: Cannot alter COMPRESS in index-organized materialized view.?

In this post, you’ll learn more about the Oracle ErrorORA-39281: Cannot alter COMPRESS in index-organized materialized view. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-39281: Cannot alter COMPRESS in index-organized materialized view.

Reason for the Error ORA-39281: Cannot alter COMPRESS in index-organized materialized view.

DBMS_METADATA_DIFF was comparing two index organized materialized views with different key compression values. There is no SQL ALTER statement to modify the key compression of an index organized materialized view.

How to fix the Error ORA-39281: Cannot alter COMPRESS in index-organized materialized view. ?

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

The difference cannot be eliminated with an SQL ALTER statement.