How to fix the Oracle error QSM-01299: query rewrite not possible because materialized view string is partially stale?

In this post, you’ll learn more about the Oracle ErrorQSM-01299: query rewrite not possible because materialized view string is partially stale with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01299: query rewrite not possible because materialized view string is partially stale

Reason for the Error QSM-01299: query rewrite not possible because materialized view string is partially stale

The materialized view is partially stale. It is stale with respect to one or more partitions in one or more of its detail tables. The request query references one or more such detail partitions.

How to fix the Error QSM-01299: query rewrite not possible because materialized view string is partially stale ?

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

(1) Change the selection criteria of the request to restrict the query to only the fresh portion of the materialized view, or (2) ALTER {SYSTEM|SESSION} QUERY_REWRITE_INTEGRITY = STALE_TOLERATED or (3) refresh the materialized view.