How to fix the Oracle error QSM-02091: mv references a non-repeatable or session-sensitive expression?

In this post, you’ll learn more about the Oracle ErrorQSM-02091: mv references a non-repeatable or session-sensitive expression with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02091: mv references a non-repeatable or session-sensitive expression

Reason for the Error QSM-02091: mv references a non-repeatable or session-sensitive expression

The capability in question is not supported when the materialized view uses an expression that may not return the same value each time it is invoked against the same set of rows or that may return different values depending on session parameters.

How to fix the Error QSM-02091: mv references a non-repeatable or session-sensitive expression ?

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

Re-phrase the query to avoid the use of such expressions.