How to fix the Oracle error QSM-01047: complex join back on non-MAV rewrite not allowed (string)?

In this post, you’ll learn more about the Oracle ErrorQSM-01047: complex join back on non-MAV rewrite not allowed (string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01047: complex join back on non-MAV rewrite not allowed (string)

Reason for the Error QSM-01047: complex join back on non-MAV rewrite not allowed (string)

Query Rewrite can occur by means of a complex join back only during a MAV rewrite.

How to fix the Error QSM-01047: complex join back on non-MAV rewrite not allowed (string) ?

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

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