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https://issues.apache.org/jira/browse/DERBY-4832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mamta A. Satoor updated DERBY-4832:
-----------------------------------
Urgency: Normal
Labels: derby_triage10_10 gsoc gsoc2011 (was: gsoc gsoc2011)
> Support for FULL OUTER JOIN
> ---------------------------
>
> Key: DERBY-4832
> URL: https://issues.apache.org/jira/browse/DERBY-4832
> Project: Derby
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 10.6.1.0
> Reporter: Uriah Eisenstein
> Labels: derby_triage10_10, gsoc, gsoc2011
>
> Support for FULL OUTER JOIN. Among other things, this could be useful for
> comparing table contents or query results.
> "A full outer join B" can of course be achieved using "(A left join B) union
> (B right join A)", but the former would not only be shorter and more legible,
> but also possible to optimize in certain circumstances.
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