PeopleTools and Lifecycle Management - PSFT (MOSC)

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ORA-01799: A Column May Not be Outer-joined to a Subquery PeopleTools

edited Sep 23, 2018 3:29PM in PeopleTools and Lifecycle Management - PSFT (MOSC) 2 comments

Hi All

Just sharing an issue we ran into during an upgrade.

We ran into the issue, described at this doc id

E-QR: ORA-01799: A Column May Not be Outer-joined to a Subquery (50,380) ( Doc ID 2143271.1 )

However, the problem was not related to the OPTIMIZER_FEATURES_ENABLE parameter.

It was cause by an index rebuild. When rebuilding our indexes to address performance issues, we used the parallel option to improve the time to rebuild the index, however this lead to the degree being set on all of the rebuilt indexes. i.e. alter index index_name rebuild parallel 4

To fix this:

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