How to fix the Oracle error QSM-02023: nested cursor?

In this post, you’ll learn more about the Oracle ErrorQSM-02023: nested cursor with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02023: nested cursor

Reason for the Error QSM-02023: nested cursor

The capability in question is not supported when the materialized view uses a nested cursor expression.

How to fix the Error QSM-02023: nested cursor ?

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

Re-phrase the query to avoid use of a nested cursor expression.

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